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Title: Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates

Author: Ernst Haeckel

Release date: December 28, 2013 [eBook #44527]

Most recently updated: October 23, 2024

Language: English

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*** START OF THE PROJECT GUTENBERG EBOOK REPORT ON THE RADIOLARIA COLLECTED BY H.M.S. CHALLENGER DURING THE YEARS 1873-1876, PLATES ***

The Project Gutenberg eBook, Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates, by Ernst Haeckel

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REPORT

ON THE

SCIENTIFIC RESULTS

OF THE

VOYAGE OF H.M.S. CHALLENGER

DURING THE YEARS 1873-76

UNDER THE COMMAND OF

CAPTAIN GEORGE S. NARES, R.N., F.R.S

AND THE LATE

CAPTAIN FRANK TOURLE THOMSON, R.N

PREPARED UNDER THE SUPERINTENDENCE OF

THE LATE

Sir C. WYVILLE THOMSON, Knt., F.R.S., &c

REGIUS PROFESSOR OF NATURAL HISTORY IN THE UNIVERSITY OF EDINBURGH

DIRECTOR OF THE CIVILIAN SCIENTIFIC STAFF ON BOARD

AND NOW OF

JOHN MURRAY

ONE OF THE NATURALISTS OF THE EXPEDITION

ZOOLOGY—VOL. XVIII.

PLATES

Published by Order of Her Majesty's Government

PRINTED FOR HER MAJESTY'S STATIONERY OFFICE

AND SOLD BY

LONDON:—EYRE & SPOTTISWOODE, EAST HARDING STREET, FETTER LANE

EDINBURGH:—ADAM & CHARLES BLACK

DUBLIN:—HODGES, FIGGIS, & CO

1887

Price (in Two Parts, with a Volume of Plates) £5, 10s.

CONTENTS.

REPORT on the RADIOLARIA collected by H.M.S. CHALLENGER during the years 1873-1876.

By ERNST HAECKEL, M.D., Ph.D., Professor of Zoology in the University of Jena.

PLATES.

CONTENTS.

PLATES

1-  50.

SPUMELLARIA.

"

51-  98.

NASSELLARIA.

"

99-  128.

PHÆODARIA.

"

129-  140.

ACANTHARIA.

MAP,   SHOWING THE GEOGRAPHICAL DISTRIBUTION OF THE RADIOLARIA.

PLATE 1.

Legion SPUMELLARIA.

Order COLLOIDEA.

Family THALASSICOLLIDA.

PLATE 1.

T  HALASSICOLLIDA.

Diam.

Page.

Fig. 1.   Actissa princeps, n. sp.,

×

300

13

The entire living Spumellarium. c, The spherical central capsule containing finely granulated protoplasm, which is radially striated in the cortical zone; v, spherical vacuoles enclosed by the protoplasm; n, the spherical nucleus in the centre; l, the concentric nucleolus; f  , the radial pseudopodia which pierce the calymma or the (yellowish) jelly-envelope of the central capsule and arise from the granular sarcomatrix.

Fig. 1a  . Half of the central capsule of another specimen, in which the original central nucleus is cleft into numerous small nuclei,

×

400

Fig. 1b  . Half of the central capsule of another specimen, filled up by flagellate spores,

×

400

Fig. 1c  . Eight isolated flagellate spores,

×

800

Fig. 2. Thalassolampe maxima  , n. sp.,

×

8

17

The entire living Spumellarium. c, The big spherical central capsule; a, the large alveoles filling the central capsule and surrounding a central nucleus; f  , the pseudopodia piercing the extracapsular calymma.

Fig. 2a  . The nucleus alone, with numerous nucleoli,

×

30

Fig. 3. Thalassopila cladococcus  , n. sp.,

×

20

17

c, The big central capsule; a, numerous large alveoles contained in the central capsule; k, oil globules, many of which are placed in the radially striped cortical zone; the nucleus placed centrally, is covered with numerous radial apophyses or cæcal sacs. f  , The radially striped calymma.

Fig. 4. Thalassicolla maculata  , n. sp.,

×

100

21

c, The central capsule; v, vacuoles filling this capsule; n, the central nucleus; l, the concentric nucleolus; g, the voluminous calymma, a small radial piece of which is only represented; a, the large alveoles; b, peculiar exoplasmatic bodies; p, black pigment in the inner zone; f  , the retracted pseudopodia in the outer zone.

Fig. 4a  . An exoplasmatic body,

×

300

Fig. 4b  , Vacuoles in the endoplasm,

×

300

Fig. 5. Thalassicolla melacapsa  , n. sp.,

×

300

21

n, The large nucleus; l, numerous small nucleoli inside the nucleus; v, the vacuoles filling up the central capsule and separated by black pigment; a, large alveoles in the calymma; k, oil globules; b, exoplasmatic bodies; f  , the retracted pseudopodia in the outer zone of the calymma.

Fig. 5a  . An endoplasmatic vacuole, resembling a cell,

×

600

Fig. 5b  . A piece of the central capsule,

×

600

PLATE 2.

Legion SPUMELLARIA.

Order BELOIDEA.

Family THALASSOSPHÆRIDA.

PLATE 2.

T  HALASSOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Lampoxanthium pandora, n. sp.,

×

120

38

The central capsule exhibits distinct pore-canals in its membrane, and a clear interval between this and the coagulated and vacuolated protoplasm. The central nucleus contains numerous dark nucleoli. The spicula are scattered throughout the alveolate calymma.

Fig. 2. Thalassoplancta brevispicula, n. sp. (vel Lampoxanthium brevispiculum  ),

×

120

36

The central capsule contains numerous clear vacuoles, and in the cortical zone a layer of large oil-globules. The central nucleus includes numerous dark nucleoli. The calymma is alveolate. The spicula lie only in the cortical zone.

Fig. 3. Thalassoxanthium cervicorne  , n. sp.,

×

300

33

The central capsule is filled up by clear vacuoles and contains a large central nucleus, with a single nucleolus. The spicula surround the thin calymma.

Fig. 4. Thalassoxanthium cervicorne  , n. sp.,

×

600

33

A single spiculum.

Fig. 5. Thalassoxanthium medusinum  , n. sp.,

×

120

32

The central capsule is filled up by clear vacuoles and contains on its cortical zone a layer of large oil-globules. The central nucleus contains numerous dark nucleoli. The calymma is radially striped, contains numerous small xanthellæ, and is surrounded by the spicula.

Fig. 6. Thalassoxanthium octoceras  , n. sp.,

×

400

34

Three isolated spicula.

PLATE 3.

Legion SPUMELLARIA.

Order COLLOIDEA.

Family COLLOZOIDA.

PLATE 3.

C  OLLOZOIDA.

Diam.

Page.

Fig. 1.   Collozoum serpentinum, n sp (vel Collophidium serpentinum, Hkl),

×

10

26

A living cœnobium, with expanded pseudopodia. The spherical calymma (or the common jelly-mass of the colony) is alveolate and contains numerous cylindrical, serpentine, central capsules. Numerous yellow cells or xanthellæ are scattered between the radial pseudopodia in the periphery.

Fig. 2. Collozoum serpentinum  , n. sp.,

×

50

26

An isolated, cylindrical, worm-shaped, central capsule, with an axial series of oil-globules; the red points are nuclei.

Fig. 3. Collozoum serpentinum  , n. sp.,

×

150

26

An isolated, cylindrical, serpentine, central capsule. k, Oil-globules forming an axial series; n, densely placed, red-coloured nuclei;, c, the capsule membrane under which are scattered small black pigment spots in the colourless cortical zone of the endoplasm; a, extracapsular alveoles; x  , xanthellæ or "yellow cells."

Fig. 4. Collozoum amœboides  , n. sp.,

×

100

28

A spherical cœnobium or jelly-colony. Each amœboid central capsule contains an oil-globule; the small red points are nuclei.

Fig. 5. Collozoum amœboides  , n. sp.,

×

400

28

c, A single isolated central capsule; n, nuclei; k  , oil-globule.

Fig. 6. Collozoum vermiforme  , n. sp.,

×

30

27

g, A spherical cœnobium or jelly-colony; a, large alveoles, forming a cortical zone; c, central capsules; k  , oil-globules.

Fig. 7. Collozoum vermiforme  , n. sp.,

×

100

27

c, A single isolated central capsule; x, xanthellæ surrounding this central capsule; k, oil-globules; n  , nuclei.

Fig. 8. Collozoum ellipsoides  , n. sp.,

×

2

26

A spherical colony; the red points are central capsules.

Fig. 9. Collozoum ellipsoides  , n. sp.,

×

150

26

c, A single isolated central capsule; k, oil-globules; n  , nuclei.

Fig. 10. Collozoum inerme  , Hkl.,

×

2

25

An old, cylindrical, articulated cœnobium; the red points are centralcapsules.

Fig. 11. Collozoum inerme  , Hkl.,

×

2

25

A young cylindrical cœnobium; the red points are central capsules.

Fig. 12. Collozoum inerme  , Hkl.,

×

400

25

A piece of a young colony with eight small central capsules, without oil-globules. n, The central nucleus in different stages of division. Two capsules are also dividing. x  , Xanthellæ in the jelly-like calymma (blue), which also contains numerous vacuoles.

PLATE 4.

Legion SPUMELLARIA.

Orders BELOIDEA.

Families Sphærozoida.

PLATE 4.

Sphærozoida

Diam.

Page.

Fig. 1.   Sphærozoum trigeminum, n. sp.,

×

50

43

An annular colony. The main mass of the jelly-colony is filled up by large alveoles; the entire surface is densely covered with spicula, and beyond this skeleton-cover lie the spherical central capsules, each with an oil-globule. This species is by mistake not mentioned in the text.

Fig. 2. Sphærozoum alveolatum  , n. sp.,

×

50

43

Section through a spherical colony; displaying the inside of a hemisphere. All the central capsules lie in a single stratum on the surface of the jelly-sphere, each being surrounded by a thick-walled alveole. The spicula lie between the alveole and the capsule, which includes a central oil-globule.

Fig. 3. Sphærozoum alveolatum  , n. sp.,

×

400

43

A single central capsule, filled up by crystal-spores. Numerous geminato-radiate spicula and spherical xanthellæ lie between the capsule and the including thick-walled alveole. In the jelly-calymma, between the capsule and the alveole, numerous thin ramified pseudopodia are expanded.

Fig. 4. Sphærozoum geminatum  , n. sp.,

×

400

45

A single central capsule, with a central oil-globule, surrounded by numerous spicula and spherical xanthellæ. The jelly-substance of the calymma is expanded between the points of the spicula.

Fig. 5. Sphærozoum variabile  , n. sp.,

×

300

45

Three isolated spicula.

Fig. 6. Sphærozoum pandora, n. sp. (vel Rhaphidozoum pandora  ),

×

300

49

A group of various spicula.

Fig. 7. Sphærozoum verticillatum  , n. sp.,

×

300

44

A single spiculum.

Fig. 8. Sphærozoum arborescens  , n. sp.,

×

300

44

A single spiculum.

Fig. 9. Sphærozoum armatum  , n. sp.,

×

300

43

A single spiculum.

PLATE 5.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family COLLOSPHÆRIDA.

PLATE 5.

C  OLLOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Trypanosphæra transformata, n. sp.,

×

150

111

A living colony. The centre of the spherical cœnobium contains a large alveole, surrounded by a net of sarcode. The entire calymma is filled up by smaller, thin-walled alveoles. Its inner part contains numerous small, young, central capsules (each with an oil-globule) without shells; in the cortical zone of the calymma lie larger capsules, each of which is enclosed by a fenestrated shell with from two to four or more dentated tubes. Between the radiant pseudopodia very numerous small yellow cells (xanthellæ), which are scattered everywhere.

Fig. 2. Trypanosphæra transformata  , n. sp.,

×

300

111

A single shell.

Fig. 3. Trypanosphæra coronata  , n. sp.,

×

300

110

Fig. 4. Trypanosphæra trepanata  , n. sp.,

×

300

110

Fig. 5. Odontosphæra monodon  , n. sp.,

×

300

102

Fig. 6. Odontosphæra cyrtodon  , n. sp.,

×

300

102

Fig. 7. Acrosphæra inflata  , n. sp.,

×

300

101

Fig. 8. Mazosphæra hippotis  , n. sp.,

×

400

108

Fig. 9. Mazosphæra lagotis  , n. sp.,

×

300

108

Fig. 10. Pharyngosphæra stomodæa  , n. sp.,

×

400

98

Fig. 11. Buccinosphæra invaginata  . n. sp.,

×

500

99

Each shell contains numerous larger and smaller crystals.

Fig. 12. Tribonosphæra centripetalis  , n. sp.,

×

500

98

Each shell contains numerous large crystals.

Fig. 13. Collosphæra polygona  , n. sp.,

×

200

96

PLATE 6.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family COLLOSPHÆRIDA.

PLATE 6.

C  OLLOSPHÆRIDA.

Diam.

Page.

Fig. 1. Siphonosphæra socialis, n. sp.,

×

500

106

A small piece of the surface of a living cœnobium, seen from the surface. Only four individuals are visible, the central capsule of which contains numerous small nuclei and a central oil-globule. The including spherical lattice-shell is provided with a few (one to four) larger apertures, which are prolonged into short cylindrical tubules. Through these latter radiate bundles of fine pseudopodia, branching and anastomosing, and forming a fine sarcode network between the alveoles of the calymma. On the surface of the alveolated jelly-sphere the pseudopodia form a dense radiating zone. Xanthella or yellow cells are everywhere scattered.

Fig. 2. Siphonosphæra socialis  , n. sp.,

×

300

106

A small cœnobium or colony in the state of alveolation, forming a jelly-sphere, composed of a great number of capsulated individuals, densely aggregated. Each central capsule contains an oil-globule, and is enclosed by a spherical lattice-shell, which bears a few (one to four) short cylindrical tubules. Each shell is again enveloped by a membranous polyhedral alveole and separated from it by structureless jelly. The thick cortical jelly-envelope, which surrounds the whole spherical colony, exhibits a fine radial striation, produced by radiating pseudopodia; many xanthellæ or yellow cells are scattered in the calymma.

Fig. 3. Siphonosphæra pipetta  , n. sp.,

×

300

108

Fig. 4. Siphonosphæra tubulosa  , J. Müller,

×

300

105

The central capsule, enclosed in the cavity of the shell, has a central oil-globule, and is surrounded by a few xanthella.

Fig. 5. Siphonosphæra chonophora  , n. sp.,

×

300

107

Fig. 6. Siphonosphæra serpula  , n. sp.,

×

300

107

Fig. 7. Siphonosphæra patinaria  , n sp.,

×

300

105

The central capsule, enclosed in the cavity of the shell, contains a central oil-globule, and is surrounded by a few xanthella.

Fig. 8. Siphonosphæra patinaria  , n. sp.,

×

300

105

Fig. 9. Siphonosphæra conifera  , n. sp.,

×

300

106

Fig. 10. Siphonosphæra cyathina  , n. sp.,

×

300

105

PLATE 7.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family COLLOSPHÆRIDA.

PLATE 7.

C  OLLOSPHÆRIDA.

Diam.

Page.

Fig. 1   Caminosphæra dendrophora, n. sp.,

×

300

112

Fig. 2. Caminosphæra dichotoma  , n. sp.,

×

300

112

Fig. 3. Coronosphæra diadema  , n. sp.,

×

300

117

Fig. 4. Coronosphæra calycina  , n. sp.,

×

300

117

Fig. 5. Otosphæra auriculata  , n. sp.,

×

300

116

Fig. 6. Otosphæra polymorpha  , n. sp.,

×

300

116

Fig. 7. Solenosphæra serpentina  , n. sp.,

×

300

114

Fig. 8. Solenosphæra cornucopia  , n. sp.,

×

300

115

Fig. 9. Solenosphæra ascensionis  , n. sp.,

×

300

115

Fig. 10. Solenosphæra pandora  , n. sp.,

×

300

113

Fig. 11. Solenosphæra pandora  , n. sp.,

×

100

113

An entire spherical cœnobium. The shells of the colony bear a variable number of fenestrated radial tubes and are densely crowded in the jelly-sphere of the calymma, the cortical zone of which is radially striped.

PLATE 8.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family COLLOSPHÆRIDA.

PLATE 8.

C  OLLOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Acrosphæra echinoides, n. sp.,

×

400

100

Fig. 2. Acrosphæra collina  , n. sp.,

×

300

101

Fig. 3. Chænicosphæra nassiterna  , n. sp.,

×

400

103

Fig. 4. Chænicosphæra murrayana  , n. sp.,

×

300

102

Fig. 5. Chænicosphæra flammabunda  , n. sp.,

×

300

103

Fig. 6. Clathrosphæra circumtexta  , n. sp.,

×

400

118

Fig. 7. Clathrosphæra arachnoides  , n. sp.,

×

300

119

Fig. 8. Clathrosphæra lamellosa  , n. sp.,

×

300

119

Fig. 9. Xanthiosphæra erinacea  , n. sp.,

×

400

120

Fig. 10. Xanthiosphæra lappacea  , n. sp.,

×

300

120

Fig. 11. Xanthiosphæra lappacea  , n. sp.,

×

100

120

A complete spherical cœnobium. The associated central capsules (each with a double shell) are densely crowded in the central part of the calymma, whilst its peripheral part is occupied by a layer of large alveoles. Numerous xanthellæ or yellow cells an scattered in the calymma.

PLATE 9.

Legion SPUMELLARIA.

Order LARCOIDEA.

Family PYLONIDA.

PLATE 9.

P  YLONIDA.

Diam.

Page.

Fig. 1.   Monozonium alatum, n. sp.,

×

300

633

Dorsal view.

Fig. 1a  . Apical view.

Fig. 2. Dizonium pleuracanthum  , n. sp.,

×

400

636

Fig. 3. Dizonium stauracanthum  , n. sp.,

×

300

636

Fig. 4. Trizonium tricinctum  , n. sp.,

×

300

637

Dorsal view.

Fig. 4a  . Lateral view.

Fig. 4b  . Apical view.

Fig. 5. Amphipyle tetraceros  , n. sp.,

×

400

642

Dorsal view.

Fig. 6. Amphipyle callizona  , n. sp.,

×

300

644

Dorsal view.

Fig. 7. Amphipyle amphiptera  , n. sp.,

×

300

642

Dorsal view.

Fig. 7a  . Lateral view.

Fig. 8. Tetrapyle circularis  , n. sp.,

×

300

645

Dorsal view.

Fig. 9. Tetrapyle pleuracantha  , n. sp.,

×

400

646

Dorsal view. The lentelliptical central capsule is visible between medullary and cortical shell.

Fig. 10. Tetrapyle turrita  , n. sp.,

×

400

649

Oblique view, half dorsal, half lateral.

Fig. 11. Octopyle stenozona  , n. sp.,

×

400

652

Dorsal view.

Fig. 12. Octopyle sexangulata  , n. sp.,

×

300

653

Dorsal view.

Fig. 13. Octopyle decastyle  , n. sp.,

×

300

654

Dorsal view.

Fig. 13a  . Lateral view.

Fig. 14. Pylonium quadricorne  , n. sp.,

×

400

655

Dorsal view.

Fig. 15. Tetrapylonium quadrangulare  , n. sp.,

×

300

658

Dorsal view.

Fig. 16. Pylozonium octacanthum  , n. sp.,

×

300

660

Dorsal view.

PLATE 10.

Legion SPUMELLARIA.

Order LARCOIDEA.

Family THOLONIDA.

PLATE 10.

T  HOLONIDA.

Diam.

Page.

Fig. 1.   Tholartus tricolus, n. sp.,

×

200

664

Fig. 2. Tholodes cupula  , n. sp.,

×

500

665

Fig. 3. Amphitholus artiscus  , n. sp.,

×

400

666

Fig. 4. Amphitholus panicium  , n. sp.,

×

500

668

Fig. 5. Amphitholus acanthometra  , n. sp.,

×

300

667

Fig. 6. Amphitholus acanthometra  , n. sp.,

×

300

667

Frontal section of the shell.

Fig. 7. Amphitholonium tricolonium  , n. sp.,

×

300

669

Fig. 8. Staurotholus tetrastylus  , n. sp.,

×

300

673

Fig. 9. Staurotholus dodecastylus  , n. sp.,

×

400

674

Fig. 10. Tholoma quadrigeminum  , n. sp.,

×

200

672

Fig. 11. Staurotholonium octodoronium  , n. sp.,

×

300

676

Fig. 12. Tholocubus tessellatus  , n. sp.,

×

200

677

Fig. 13. Tholoma metallasson  , n. sp.,

×

300

672

Fig. 14. Cubotholus regularis  , n. sp.,

×

200

680

Fig. 15. Cubotholonium ellipsoides  , n. sp.,

×

300

682

Fig. 16. Tholocubus tesseralis  , n. sp.,

×

400

678

Fig. 17. Tholonium hexonium  ,

×

400

679

PLATE 11.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family ASTROSPHÆRIDA.

PLATE 11.

A  STROSPHÆRIDA.

Diam.

Page.

Fig. 1.   Lychnosphæra regina, n. sp.,

×

200

277

The entire shell and the central capsule. Numerous club-shaped radial apophyses or cœcal sacs arise from the pink central capsule and are protruded through the pores of the medullary shell, which is completely hidden by them. The sarcomatrix in the calymma, surrounding the central capsule, exhibits a fine radial striation. Numerous retracted pseudopodia, bearing red granules, arise from the sarcomatrix and pierce the calymma radially. The interval between the two concentric shells is filled up by the hyaline calymma.

Fig. 2. Lychnosphæra regina  , n. sp.,

×

400

277

A part of the cortical shell, with a radial spine.

Fig. 3. Lychnosphæra regina  , n. sp.,

×

400

277

The medullary shell and the basal parts of the radial spines arising from it.

Fig. 4. Lychnosphæra regina  , n. sp.,

×

400

277

Distal end of a radial spine.

Fig. 5. Rhizoplegma lychnosphæra  , n. sp.,

×

200

276

The central capsule and the enclosed parts of the skeleton. The protoplasm is radially striped. The central nucleus (red) sends out numerous radial apophyses, which are protruded through the pores of the medullary shell.

PLATE 12.

Legion SPUMELLARIA.

Orders PHÆOSPHÆRIA ET SPHÆROIDEA.

Families OROSPHÆRIDA, ASTROSPHÆRIDA et LIOSPHÆRIDA.

PLATE 12.

OROSPHÆRIDA, ASTROSPHÆRIDA et L  IOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Orosphæra huxleyii, n. sp. (vel Oroscena huxleyii),

×

50

1599

Fig. 1a  . A piece of the network, the bars of which contain partly an axial canal,

×

200

1599

Fig. 2. Conosphæra orthoconus  , n. sp.,

×

200

221

Fig. 3. Conosphæra platyconus  , n. sp.,

×

300

221

Fig. 4. Conosphæra plagioconus  , n. sp.,

×

300

222

Fig. 5. Ethmosphæra conosiphonia  , n. sp.,

×

400

69

Fig. 5a  . Vertical section through the wall.

Fig. 6. Ethmosphæra polysiphonia  , n. sp.,

×

400

70

Fig. 7. Cenosphæra compacta  , n. sp.,

×

300

65

Fig. 8. Cenosphæra elysia  , n. sp.,

×

300

64

Fig. 8a  . Vertical section through the wall.

Fig. 9. Cenosphæra mellifica  , n. sp.,

×

300

62

Fig. 10. Cenosphæra favosa  , n. sp.,

×

300

62

Fig. 10a  . Vertical section through the wall.

Fig. 11. Cenosphæra vesparia  , n. sp.,

×

300

62

Fig. 11a  . Vertical section through the wall.

PLATE 13.

Legion SPUMELLARIA.

Orders SPHÆROIDEA ET PRUNOIDEA.

Families STYLOSPHÆRIDA et ELLIPSIDA.

PLATE 13.

STYLOSPHÆRIDA et E  LLIPSIDA.

Diam.

Page.

Fig. 1.   Ellipsostylus aquila, n. sp.,

×

300

300

Fig. 2. Ellipsostylus hirundo  , n. sp.,

×

300

301

Fig. 3. Ellipsostylus columba  , n. sp.,

×

300

300

Fig. 4. Xiphostylus alcedo  , n. sp.,

×

400

127

Fig. 5. Xiphostylus edolius  , n. sp.,

×

400

130

Fig. 6. Ellipsostylus psittacus  , n. sp.,

×

400

300

Fig. 7. Stylostaurus caudatus  , n. sp.,

×

400

157

Fig. 8. Ellipsostylus ciconia  , n. sp.,

×

300

300

Fig. 9. Xiphostylus phasianus  , n. sp.,

×

400

127

Fig. 10. Xiphostylus trochilus  , n. sp.,

×

300

129

Fig. 11. Xiphostylus emberiza  , n. sp.,

×

300

131

Fig. 12. Saturnalis circoideus  , n. sp.,

×

400

132

Not fully developed.

Fig. 13. Xiphostylus alca  , n. sp.,

×

300

130

Fig. 14. Xiphostylus falco  , n. sp.,

×

300

130

Fig. 15. Saturnalis rotula  , n. sp.,

×

400

133

Fig. 16. Saturnalis annularis  , n. sp.,

×

400

132

PLATE 14.

Legion SPUMELLARIA.

Orders SPHÆROIDEA ET PRUNOIDEA.

Families STYLOSPHÆRIDA et ELLIPSIDA.

PLATE 14.

STYLOSPHÆRIDA et E  LLIPSIDA.

Diam.

Page.

Fig. 1.   Ellipsoxiphus atractus, n. sp.,

×

300

298

Fig. 2. Xiphosphæra venus  , n. sp.,

×

300

123

Fig. 3. Ellipsoxiphus claviger  , n. sp.,

×

300

297

Fig. 4. Xiphosphæra pallas  , n. sp.,

×

400

124

Fig. 5. Xiphosphæra gæa  , n. sp.,

×

400

123

Fig. 6. Xiphosphæra vesta  , n. sp.,

×

300

126

Fig. 7. Ellipsoxiphus elegans, n. sp., var. palliatus  ,

×

400

296

Fig. 8. Lithapium halicapsa  , n. sp.,

×

300

303

Fig. 9. Lithapium pyriforme  , n. sp.,

×

300

303

Fig. 10. Lithapium monocyrtis  , n. sp.,

×

300

304

Fig. 11. Ellipsoxiphus bipolaris  , n. sp.,

×

600

297

Fig. 12. Xiphostylus trogon  , n. sp.,

×

400

129

Fig. 13. Xiphostylus picus  , n. sp.,

×

300

129

Fig. 14. Lithomespilus flammabundus  , n. sp.,

×

400

303

Fig. 15. Xiphostylus alauda  , n. sp.,

×

400

128

Fig. 16. Lithomespilus phloginus  , n. sp.,

×

600

302

Fig. 17. Lithomespilus phlogoides  , n. sp.,

×

600

302

PLATE 15.

Legion SPUMELLARIA.

Orders SPHÆROIDEA ET PRUNOIDEA.

Families STAUROSPHÆRIDA et DRUPPULIDA.

PLATE 15.

STAUROSPHÆRIDA et D  RUPPULIDA.

Diam.

Page.

Fig. 1.   Cromyatractus tetracelyphus, n. sp.,

×

300

335

Fig. 1a  . The two inner medullary shells.

Fig. 2. Cromyatractus tetraphractus  , n. sp.,

×

300

335

Fig. 3. Cromyatractus cepicius  , n. sp.,

×

300

336

The spongy distal part of a polar spine.

Fig. 4. Cromyatractus ceparius, n. sp. (vel Caryostylus ceparius  ),

×

300

336

Fig. 5. Staurolonche pertusa  , n. sp.,

×

300

159

Fig. 5a  . Its medullary shell.

Fig. 6. Staurosphæra philippi  , n. sp.,

×

300

154

Fig. 7. Stauroxiphus gladius  , n. sp.,

×

400

163

Fig. 8. Staurocaryum arborescens  , n. sp.,

×

300

167

Fig. 9. Rhizoplegma radicatum  , n. sp.,

×

200

276

Fig. 9a  . The medullary shell, which is completely hidden in fig. 9 by the numerous club-shaped apophyses of the central capsule.

PLATE 16.

Legion SPUMELLARIA.

Orders SPHÆROIDEA ET PRUNOIDEA.

Families STYLOSPHÆRIDA et DRUPPULIDA.

PLATE 16.

STYLOSPHÆRIDA et D  RUPPULIDA.

Diam.

Page.

Fig. 1.   Stylosphæra melpomene, n. sp.,

×

300

135

Fig. 2. Lithatractus jugatus, n. sp., (vel Stylosphæra jugata  ),

×

400

323

Fig. 3. Lithatractus fragilis, n. sp. (vel Stylosphæra fragilis  ),

×

400

319

Fig. 4. Stylosphæra lithatractus  , n. sp.,

×

300

The entire shell.

Fig. 5. Stylosphæra lithatractus  , n. sp.,

×

300

The greater part of the cortical shell and the two spines taken off.

The description of Stylosphæra lithatractus (intermediate between Stylosphæra jugata and Stylosphæra terpsichore, p. 137  ) is by mistake not given in the text.

Fig. 6. Stylosphæra calliope  , n. sp.,

×

400

134

Fig. 7. Stylosphæra clio  , n. sp.,

×

400

134

Fig. 8. Druppatractus ostracion  , n. sp.,

×

300

326

The entire shell.

Fig. 9. Druppatractus ostracion  , n. sp.,

×

300

326

The anterior half of the cortical shell has been removed.

Fig. 10. Druppatractus hippocampus  , n. sp.,

×

300

324

The entire shell.

Fig. 11. Druppatractus hippocampus  , n. sp.,

×

300

324

The greater part of the cortical shell has been removed.

Fig. 12. Stylosphæra nana  , n. sp.,

×

300

136

The entire shell

Fig. 13. Stylosphæra nana  , n. sp.,

×

300

136

The greater part of the cortical shell taken off.

Fig. 14. Sphærostylus ophidium  , n. sp.,

×

300

140

The entire shell.

Fig. 15. Sphærostylus ophidium  , n. sp.,

×

300

140

The medullary shell alone.

Fig. 16. Saturnulus ellipticus  , n. sp.,

×

400

141

Fig. 17. Saturnulus planetes  , n. sp.,

×

400

142

PLATE 17.

Legion SPUMELLARIA.

Orders SPHÆROIDEA ET PRUNOIDEA.

Families STYLOSPHÆRIDA, DRUPPULIDA et SPONGURIDA.

PLATE 17.

STYLOSPHÆRIDA, DRUPPULIDA et S  PONGURIDA.

Diam.

Page.

Fig. 1.   Stylatractus giganteus, n. sp. (vel Amphistylus giganteus),

×

300

329

Fig. 2. Stylatractus sethoporus  , n. sp.,

×

400

330

The greater part of the cortical shell taken off.

Fig. 3. Stylatractus sethoporus  , n. sp.,

×

400

330

The entire cortical shell.

Fig. 4. Stylatractus compactus  , n. sp.,

×

400

329

Fig. 5. Amphisphæra cronos, n. sp. (vel Amphistylus cronos  ),

×

400

144

Fig. 6. Stylatractus neptunus, n. sp. (vel Amphisphæra neptunus  ),

×

300

328

Fig. 7. Amphisphæra pluto  , n. sp.,

×

300

144

The entire cortical shell.

Fig. 8. Amphisphæra pluto  , n. sp.,

×

300

144

Meridional section through the three concentric shells.

Fig. 9. Xiphatractus glyptodon  , n. sp.,

×

400

334

The entire cortical shell.

Fig. 10. Xiphatractus glyptodon  , n. sp.,

×

400

334

The greater part of the cortical shell taken off.

Fig. 11. Xiphatractus armadillo  , n. sp.,

×

400

332

Fig. 12. Spongoxiphus prunococcus  , n. sp.,

×

300

354

The spongy cortical shell.

Fig. 13. Spongoxiphus prunococcus  , n. sp.,

×

600

354

The two concentric latticed medullary shells.

PLATE 18.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Families LIOSPHÆRIDA et ASTROSPHÆRIDA.

PLATE 18.

LIOSPHÆRIDA et A  STROSPHÆRIDA.

Diam.

Page.

Fig. 1.   Centrocubus cladostylus, n. sp.,

×

100

278

Fig. 2. Octodendron spathillatum  , n. sp.,

×

300

280

The entire inner shell, but a small part only of the outer shell is represented.

Fig. 3. Octodendron cubocentron  , n. sp.,

×

400

279

The central capsule (somewhat irregular by compression?) exhibits a large excentric nucleus (probably dislocated artificially?).

Fig. 4. Octodendron spathillatum  , n. sp.,

×

800

280

Free distal end of a radial spine, with the spathillæ on the end of the branches.

Fig. 5. Rhizosphæra serrata  , n. sp.,

×

300

284

Fig. 6. Rhizosphæra serrata  , n. sp.,

×

300

284

Medullary shell.

Fig. 7. Rhizosphæra serrata  , n. sp.,

×

600

284

A single radial spine.

Fig. 8. Plegmosphæra exodictyon  , n. sp.,

×

200

89

The central shell-cavity encloses the spherical central capsule and the concentric nucleus.

Fig. 9. Spongodrymus elaphococcus  , n. sp.,

×

150

272

The entire inner shell, but only a small part of the outer spongy envelope is represented.

PLATE 19.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family ASTROSPHÆRIDA.

PLATE 19.

A  STROSPHÆRIDA.

Diam.

Page.

Fig. 1.   Drymosphæra polygonalis, n. sp.,

×

200

249

Fig. 2. Leptosphæra hexagonalis  , n. sp.,

×

200

244

Showing the central capsule (forming numerous club-shaped protuberances) and the simple spherical nucleus in its centre. The skeleton is nearly the same as in Diplosphæra hexagonalis   (fig. 3).

Fig. 3. Diplosphæra hexagonalis  , n. sp.,

×

200

246

The spherical central capsule, with radially striped protoplasm, is enclosed in the inner shell, and exhibits in its centre the clear spherical nucleus.

Fig. 4. Astrosphæra hexagonalis  , n. sp.,

×

300

250

Fig. 5. Astrosphæra stellata  , n. sp.,

×

300

251

The central capsule, enclosed in the inner shell, exhibits a distinct radial striation of the protoplasm, and in the centre a clear spherical nucleus.

Fig. 6. Haliomma rhodococcus, n. sp. (vel Sethosphæra rhodococcus  ),

×

400

237

The greater part of the outer shell is removed.

PLATE 20.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Families LIOSPHÆRIDA et ASTROSPHÆRIDA.

PLATE 20.

LIOSPHÆRIDA et A  STROSPHÆRIDA.

Diam.

Page.

Fig. 1.   Drymosphæra dendrophora, n. sp.,

×

300

249

Fig. 1a  . Meridional section through the central capsule. In the centre the large spherical nucleus is visible. The protoplasm around it is distinctly radiate. From the central capsule arise numerous club-shaped apophyses or cæcal sacs, which are protruded through the meshes of the inner shell,

×

300

Fig. 1b  . Basal part of a single radial spine, and its connection with the network of the two shells,

×

400

Fig. 2. Liosphæra polypora  , n. sp.,

×

300

78

The greater part of the outer shell is removed.

Fig. 3. Liosphæra hexagonia  , n. sp.,

×

400

76

Fig. 4. Carposphæra melitomma, n. sp. (vel Melitomma melittosphæra  ),

×

400

73

PLATE 21.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family CUBOSPHÆRIDA.

PLATE 21.

C  UBOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Hexastylus cochleatus, n. sp.,

×

400

174

From the central capsule, enclosed in the shell, numerous delicate radial pseudopodia arise, which are protruded through the pores of the shell.

Fig. 2. Hexastylus triaxonius  , n. sp.,

×

400

175

Fig. 3. Hexastylus phænaxonius  , n. sp.,

×

300

171

Fig. 4. Hexastylus thaletis  , n. sp.,

×

400

172

Fig. 5. Hexastylus minimus  , n. sp.,

×

400

172

Fig. 6. Hexastylus dimensivus  , n. sp.,

×

400

175

Fig. 7. Hexastylus spiralis  , n. sp.,

×

400

177

Fig. 8. Hexastylus dictyotus  , n. sp.,

×

400

176

Fig. 9. Hexastylus dictyotus  , n. sp.,

×

400

176

Central capsule with concentric nucleus and nucleolus; the protoplasm is radially striped.

Fig. 10. Hexastylus marginatus  , n. sp.,

×

400

176

Fig. 10a  . Radial section through the shell-wall.

Fig. 11. Hexastylus solonis  , n. sp.,

×

400

173

Fig. 12. Hexastylus contortus  , n. sp.,

×

300

177

PLATE 22.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family CUBOSPHÆRIDA.

PLATE 22.

C  UBOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Hexalonche pythagoræa, n. sp.,

×

300

185

Fig. 2. Hexalonche conicornis  , n. sp.,

×

300

181

Fig. 3. Hexalonche aristarchi  , n. sp.,

×

400

185

Fig. 4. Hexalonche philosophica  , n. sp.,

×

400

186

Fig. 5. Hexalonche anaximandri  , n. sp.,

×

400

182

Fig. 6. Hexalonche octocolpa  , n. sp.,

×

300

183

Fig. 6a  . The inner shell alone.

Fig. 7. Hexalonche heracliti  , n. sp.,

×

300

187

Fig. 8. Hexalonche octahedra  , n. sp.,

×

400

181

Fig. 8a  . The inner shell alone.

Fig. 9. Hexancistra tricuspis  , n. sp.,

×

300

188

Fig. 10. Hexancistra triserrata  , n. sp.,

×

300

188

Fig. 11. Hexancistra   quadricuspis, n. sp.,

×

300

189

PLATE 23.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family CUBOSPHÆRIDA.

PLATE 23.

C  UBOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Hexadendron bipinnatum, n. sp.,

×

400

200

Fig. 2. Hexacromyum octahedrum  , n. sp.,

×

400

202

Fig. 3. Hexancistra mirabilis, n. sp. (= Hexapitys mirabilis  ),

×

400

189

The spherical central capsule encloses the concentric spherical inner shell (which is filled up by the nucleus), and is surrounded by the octahedral outer shell. The latter is enveloped by the octahedral calymma, which is radially striated and contains numerous xanthellæ.

Fig. 4. Hexacaryum arborescens  , n. sp.,

×

400

203

Fig. 5. Hexacontium clavigerum  , n. sp.,

×

300

19

PLATE 24.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family CUBOSPHÆRIDA.

PLATE 24.

C  UBOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Hexacontium sceptrum, n. sp.,

×

400

194

Fig. 1a  . The two medullary shells.

Fig. 2. Hexacontium favosum  , n. sp.,

×

400

194

Fig. 2a  . The two medullary shells.

Fig. 3. Hexacontium axotrias  , n. sp.,

×

300

192

The six lattice-plates, which form the cortical shell, are not yet fully developed.

Fig. 4. Hexacontium floridum  , n. sp.,

×

300

195

Fig. 4a  . The two medullary shells.

Fig. 5. Hexacontium papillosum  , n. sp.,

×

400

197

Fig. 5a  . The two medullary shells.

Fig. 6. Hexacontium lævigatum  , n. sp.,

×

400

193

The contours of the two medullary shells are visible in the centre.

Fig. 7. Hexacontium prionacanthum  , n. sp.,

×

400

195

Fig. 7a  . The two medullary shells, connected with a fragment of the cortical shell.

Fig. 8. Cubosphæra cubaxonia  , n. sp.,

×

400

203

Fig. 8a  . A single radial spine.

Fig. 9. Hexacromyum elegans  , n. sp.,

×

400

201

A part of the two cortical shells is broken off.

PLATE 25.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family CUBOSPHÆRIDA.

PLATE 25.

C  UBOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Hexadoridium streptacanthum, n. sp.,

×

400

206

Fig. 1a  . The two concentric medullary shells.

Fig. 2. Hexalonche amphisiphon  , n. sp.,

×

300

182

Fig. 2a  . Medullary shell connected with a fragment of the cortical shell.

Fig. 2b. Vertical section through the wall of the cortical shell. (Below the centre of the Plate, also lettered 3a   by mistake.)

Fig. 3. Hexalonche rosetta  , n. sp.,

×

400

180

Fig. 3a  . Medullary shell.

Fig. 3b  . Vertical section through the wall of the cortical shell.

Fig. 4. Hexalonche curvicornis  , n. sp.,

×

300

181

Outer shell not yet complete, or partly broken off (?).

Fig. 5. Hexalonche anaximenis  , n. sp.,

×

400

183

Fig. 6. Hexalonche hystricina  , n. sp.,

×

300

187

Fig. 7. Hexacontium circumtextum  , n. sp.,

×

400

193

Fig. 7a  . Vertical section through the double wall of the cortical shell.

Fig. 8. Hexacontium gladiatum  , n. sp.,

×

400

198

A part of the two outer shells and of the radial spines is broken off.

PLATE 26.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Families LIOSPHÆRIDA et ASTROSPHÆRIDA.

PLATE 26.

LIOSPHÆRIDA et A  STROSPHÆRIDA.

Diam.

Page.

Fig. 1.   Coscinomma amphisiphon, n. sp.,

×

300

222

Fig. 1a  . A piece of the lattice-shell,

×

600

Fig. 1b  . Vertical section through the shell-wall,

×

600

Fig. 2. Heliosphæra hexagonaria  , n. sp.,

×

300

217

Fig. 3. Acanthosphæra castanea  , n. sp.,

×

400

211

Fig. 4. Acanthosphæra angulata  , n. sp.,

×

300

216

Fig. 5. Acanthosphæra reticulata  , n. sp.,

×

300

217

Fig. 6. Heliosphæra coronata  , n. sp.,

×

400

219

Fig. 6a  . A single pore with its coronal,

×

300

Fig. 7. Acanthosphæra mucronata  , n. sp.,

×

400

212

Fig. 8. Acanthosphæra clavata  , n. sp.,

×

400

212

Fig. 9. Heliosphæra pectinata  , n. sp.,

×

400

218

Fig. 10. Cenosphæra perforata  , n. sp.,

×

400

66

Fig. 11. Cenosphæra coronata  , n. sp.,

×

400

67

PLATE 27.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family ASTROSPHÆRIDA.

PLATE 27.

A  STROSPHÆRIDA.

Diam.

Page.

Fig. 1.   Cladococcus pinetum, n. sp.,

×

300

226

Fig. 2. Cladococcus scoparius  , n. sp.,

×

300

225

Fig. 3. Cladococcus abietinus  , n. sp.,

×

300

226

The central capsule, enclosed originally in the shell, sends out numerous club-shaped apophyses through the pores of the lattice-sphere. The central spherical nucleus fills up half the shell-cavity.

Fig. 4. Cladococcus stalactites  , n. sp.,

×

300

227

Fig. 5. Cladococcus dendrites  , n. sp.,

×

200

227

PLATE 28.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Families LIOSPHÆRIDA et ASTROSPHÆRIDA.

PLATE 28.

LIOSPHÆRIDA et A  STROSPHÆRIDA.

Diam.

Page.

Fig. 1.   Haliomma lirianthus, n. sp.,

×

300

232

Fig. 1a  . Medullary shell,

×

300

Fig. 1b  . Three pores of the cortical shell,

×

900

Fig. 2. Carposphæra nodosa  , n. sp.,

×

300

76

Fig. 2a  . The medullary shell is visible, the upper half of the cortical shell being taken off,

×

300

Fig. 3. Heliosoma radians  , n. sp.,

×

300

240

Fig. 3a  . Medullary shell,

×

300

Fig. 4. Heliosoma hastatum  , n. sp.,

×

400

241

Fig. 5. Haliomma compactum  , n. sp.,

×

400

239

Fig. 5a  . The upper half of the cortical shell is removed,

×

300

Fig. 6. Haliomma macrodoras  , n. sp.,

×

400

238

Fig. 7. Haliomma circumtextum  , n sp.,

×

400

233

Fig. 8. Elatomma juniperinum  , n. sp.,

×

400

243

Fig. 8a  . Medullary shell,

×

400

PLATE 29.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family ASTROSPHÆRIDA.

PLATE 29.

A  STROSPHÆRIDA.

Diam.

Page.

Fig. 1.   Echinomma toxopneustes, n. sp.,

×

400

259

Fig. 2. Echinomma sphærechinus  , n. sp.,

×

400

258

Fig. 3. Actinomma denticulatum  , n. sp.,

×

400

254

Fig. 4. Actinomma pachyderma  , n. sp.,

×

400

254

The half of the cortical shell is removed.

Fig. 5. Actinomma pachyderma  , n. sp.,

×

400

254

Fig. 6. Actinomma capillaceum  , n. sp.,

×

300

255

Fig. 7. Actinomma arcadophorum  , n. sp.,

×

400

255

A part of the two outer shells is removed.

Fig. 8. Actinomma arcadophorum  , n. sp.,

×

400

255

Inner medullary shell.

Fig. 9. Pityomma drymodes  , n. sp.,

×

300

260

A part of the two outer shells is removed.

PLATE 30.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Families LIOSPHÆRIDA et ASTROSPHÆRIDA.

PLATE 30.

LIOSPHÆRIDA et A  STROSPHÆRIDA.

Diam.

Page.

Fig. 1.   Cromyechinus icosacanthus, n. sp.,

×

300

263

Fig. 2. Cromyomma villosum  , n. sp.,

×

300

261

Fig. 3. Cromyechinus dodecacanthus  , n. sp.,

×

400

264

Fig. 3a  . The innermost shells.

Fig. 4. Cromyomma circumtextum  , n. sp.,

×

300

262

Fig. 5. Cromyomma mucronatum  , n. sp.,

×

200

263

Fig. 5a  . The innermost shells.

Fig. 6. Cromyodrymus abietinus  , n. sp.,

×

300

265

Fig. 7. Cromyodrymus quadricuspis  , n. sp.,

×

400

264

Fig. 7a  . The inner concentric shells.

Fig. 8. Cromyomma perspicuum  , n. sp.,

×

300

262

Fig. 9. Cromyosphæra quadruplex  , n. sp.,

×

300

84

Fig. 9a  . The innermost shells.

PLATE 31.

Legion SPUMELLARIA.

Order DISCOIDEA.

Families CENODISCIDA et PHACODISCIDA.

PLATE 31.

CENODISCIDA et P  HACODISCIDA.

Diam.

Page.

Fig. 1.   Sethostaurus orthostaurus, n. sp.,

×

300

433

Fig. 2. Sethostaurus orthostaurus  , n. sp.,

×

300

433

Vertical section through the centrum.

Fig. 3. Sethostaurus recurvatus  , n. sp.,

×

100

434

Optical section through the equatorial plane.

Fig. 4. Sethostaurus rhombostaurus  , n. sp.,

×

100

434

Optical section through the equatorial plane.

Fig. 5. Sethostaurus cruciatus, n. sp. (vel Heliostaurus cruciatus  ),

×

300

434

Fig. 6. Phacostaurus oceanidum  , n. sp.,

×

300

435

Fig. 7. Phacostaurus magnificus  , n. sp.,

×

400

436

Fig. 8. Phacostaurus magnificus  , n. sp.,

×

200

436

Vertical section through the centrum.

Fig. 9. Sethostylus   distyliscus, n. sp.,

×

400

428

Fig. 10. Sethostylus dicylindrus  , n. sp.,

×

300

428

Marginal view.

Fig. 11. Stylodiscus endostylus, n. sp. (vel Sethostylus endostylus  ),

×

300

413

Fig. 12. Phacostylus amphistylus  , n. sp.,

×

300

430

PLATE 32.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PHACODISCIDA.

PLATE 32.

P  HACODISCIDA.

Diam.

Page.

Fig. 1.   Astrophacus solaris, n. sp.,

×

300

453

Fig. 2. Astrophacus apollinis  , n. sp.,

×

300

455

Fig. 3. Astrophacus phacodiscus  , n. sp.,

×

300

454

Vertical section through the centrum.

Fig. 4. Astrosestrum ephyra  , n. sp.,

×

300

442

Fig. 4a  . Transverse section through the double medullary shell,

×

300

442

Fig. 5. Astrosestrum nauphanta  , n. sp.,

×

300

442

Fig. 6. Phacostylus caudatus, n. sp. (vel Astrosestrum caudatum  ),

×

200

431

Fig. 7. Perizona scutella  , n. sp.,

×

400

427

Fig. 8. Perizona pterygota  , n. sp.,

×

400

427

Fig. 8a  . Medullary shells and radial beams connecting them with the disk,

×

300

427

PLATE 33.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PHACODISCIDA.

PLATE 33.

P  HACODISCIDA.

Diam.

Page.

Fig. 1.   Sethodiscus lenticula, n. sp.,

×

300

423

Fig. 2. Sethodiscus lenticula  , n. sp.,

×

300

423

Vertical section.

Fig. 3. Sethodiscus macrococcus  , n. sp.,

×

300

423

Young shell, not yet closed, seen from the margin.

Fig. 4. Periphæna cincta  , n. sp.,

×

400

426

Fig. 5. Triactiscus tricuspis  , n. sp.,

×

300

432

Marginal view.

Fig. 6. Triactiscus tripyramis  , n. sp.,

×

400

432

Fig. 7. Heliodiscus cingillum  , n. sp.,

×

300

448

Fig. 8. Heliodiscus asteriscus  , n. sp.,

×

300

445

Fig. 9. Heliodrymus dendrocyclus, n. sp.(vel Heliocladus dendrocyclus  ),

×

300

451

PLATE 34.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PHACODISCIDA.

PLATE 34.

P  HACODISCIDA.

Diam.

Page.

Fig. 1.   Sethostylus dentatus, n. sp. (vel Heliostylus dentatus),

×

300

429

Upper half of the disk.

Fig. 2. Sethostylus serratus, n. sp. (vel Heliostylus serratus  ),

×

300

429

Lower half of the disk.

Fig. 3. Heliosestrum octonum  , n. sp.,

×

300

440

Fig. 4. Heliodiscus solaster  , n. sp.,

×

300

447

Fig. 5. Heliodiscus echiniscus  , n. sp.,

×

400

448

Fig. 6. Heliosestrum medusinum  , n. sp.,

×

300

438

Fig. 7. Sethostaurus conostaurus  , n. sp.,

×

100

433

Normal form with four regular spines.

Fig. 8. Sethostaurus conostaurus  , n. sp.,

×

100

433

Abnormal form with five spines.

Fig. 9. Heliodiscus marginatus  , n. sp.,

×

100

449

Fig. 10. Heliodiscus trochiscus  , n. sp.,

×

100

445

Fig. 11. Heliodiscus polymorphus  , n. sp.,

×

100

447

Fig. 12. Heliodiscus polymorphus  , n. sp.,

×

100

447

Fig. 13. Heliodiscus trochiscus  , n. sp.,

×

100

445

Fig. 14. Astrophacus trochiscus  , n. sp.,

×

100

453

PLATE 35.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PHACODISCIDA.

PLATE 35.

P  HACODISCIDA.

Diam.

Page.

Fig. 1.   Heliodiscus pertusus, n. sp. (vel Heliosestrum pertusum),

×

400

448

Irregular form with ten (instead of eight) larger latticed spines.

Fig. 2. Heliodiscus glyphodon, n. sp. (vel Heliosestrum glyphodon  ),

×

300

446

Fig. 3. Heliodrymus ramosus  , n. sp.,

×

300

452

Fig. 4. Heliodrymus ramosus  , n. sp.,

×

500

452

Medullary shell and a segment of the disk.

Fig. 5. Heliodrymus viminalis  , n. sp.,

×

400

452

Marginal view.

Fig. 6. Phacodiscus clypeus  , n. sp.,

×

400

425

Fig. 7. Phacodiscus rotula  , n. sp.,

×

400

424

Marginal view.

Fig. 8. Phacodiscus lentiformis  , n. sp.,

×

400

425

Vertical section nearly through the centre.

Fig. 9. Phacodiscus clypeus  , n. sp.,

×

400

425

Vertical section nearly through the centre.

PLATE 36.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family COCCODISCIDA.

PLATE 36.

C  OCCODISCIDA.

Diam.

Page.

Fig. 1.   Coccodiscus lamarckii, n. sp.,

×

500

459

The left half of the figure represents a horizontal section through the peripheral shell, the right half a view of the surface.

Fig. 2. Coccodiscus gœthei  , n. sp.,

×

500

461

Vertical section nearly through the centre.

Fig. 3. Lithocyclia lenticula  , n. sp.,

×

400

459

Fig. 4. Lithocyclia lenticula  , n. sp.,

×

400

459

Vertical section through the centre.

Fig. 5. Coccocyclia helianthus  , n. sp.,

×

400

468

Fig. 6. Coccocyclia helianthus  , n. sp.,

×

500

468

Vertical section through the outer medullary shell, showing the inner.

Fig. 7. Astrocyclia solaster  , n. sp.,

×

300

466

Fig. 8. Astrocyclia heterocycla  , n. sp.,

×

400

468

Horizontal section through the equatorial plane.

PLATE 37.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family COCCODISCIDA.

PLATE 37.

C  OCCODISCIDA.

Diam.

Page.

Fig. 1.   Staurocyclia cruciata, n. sp.,

×

400

465

Fig. 2. Staurocyclia phacostaurus  , n. sp.,

×

300

465

Fig. 3. Staurocyclia phacostaurus  , n. sp.,

×

300

465

Vertical section through the centre.

Fig. 4. Staurocyclia magniducis, n. sp. (Coccostaurus magniducis  ),

×

300

466

Fig. 5. Trigonocyclia triangularis  , n. sp.,

×

400

464

Fig. 6. Stylocyclia prionacantha  , n. sp.,

×

500

462

A great part of the peripheral shell is removed.

Fig. 7. Amphicyclia amphistyla  , n. sp.,

×

300

464

Vertical section through the centre.

Fig. 8. Stylocyclia excavata  , n. sp.,

×

200

463

Vertical section through the centre.

PLATE 38.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family COCCODISCIDA.

PLATE 38.

C  OCCODISCIDA.

Diam.

Page.

Fig. 1.   Amphicyclia chronometra, n. sp.,

×

400

463

Fig. 2. Amphicyclia pachydiscus  , n. sp.,

×

500

464

Vertical section through the centre.

Fig. 3. Amphiactura amphibrachia  , n. sp.,

×

300

470

Fig. 4. Amphiactura amphibrachia  , n. sp.,

×

150

470

Vertical section through the centre.

Fig. 5. Diplactura diploconus  , n. sp.,

×

300

470

Fig. 6. Trigonactura triacantha  , n. sp.,

×

200

472

Fig. 7. Trigonactura triacantha  , n. sp.,

×

400

472

Vertical section nearly through the centre.

Fig. 8. Hymenactura archimedis  , n. sp.,

×

300

473

Fig. 9. Hymenactura copernici  , n. sp.,

×

200

475

PLATE 39.

Legion SPUMELLARIA.

Order PRUNOIDEA.

Families ELLIPSIDA, DRUPPULIDA, ARTISCIDA et CYPHINIDA.

PLATE 39.

ELLIPSIDA, DRUPPULIDA, ARTISCIDA et C  YPHINIDA.

Diam.

Page.

Fig. 1.   Cenellipsis faceta, n. sp. (vel Ellipsis faceta),

×

300

291

Fig. 2. Cenellipsis infundibulum, n. sp. (vel Ellipsis infundibulum  ),

×

300

292

Fig. 3. Druppula pandanus, n. sp. (vel Coccymelium pandanus  ),

×

300

308

Fig. 4. Prunulum coccymelium, n. sp. (vel Coccymelium prunulum  ),

×

300

313

Fig. 5. Prunocarpus artocarpium, n. sp. (vel Artocarpium indicum  ),

×

300

316

Fig. 6. Pipettella prismatica  , n. sp.,

×

300

305

Fig. 7. Pipetta tuba  , n. sp.,

×

300

337

Fig. 8. Pipetta fusus  , n. sp.,

×

300

337

Fig. 8a  . The enclosed medullary shell.

Fig. 9. Artiscus nodosus, n. sp. (vel Artidium nodosum  ),

×

400

356

Fig. 10. Cannartus violina  , n. sp.,

×

300

358

Fig. 11. Cyphonium cribellum  , n. sp.,

×

200

365

Fig. 12. Cyphonium virgineum, n. sp. (vel Ommatospyris virginea  ),

×

400

363

Fig. 12a  . Vertical section through the double medullary shell.

Fig. 13. Cypassis puella, n. sp. (vel Didymospyris puella  ),

×

400

367

The enclosed central capsule is visible.

Fig. 14. Cyphinus amphilophus  , N. sp.,

×

300

370

Fig. 15. Pipettaria tubaria  , n. sp.,

×

300

339

Fig. 16. Cannartidium mammiferum  , n. sp.,

×

300

375

Fig. 17. Cannartidium mastophorum  , n. sp.,

×

150

375

Fig. 18. Cannartidium bicinctum  , n. sp.,

×

300

374

Fig. 18a  . Vertical section through the main axis.

Fig. 19. Cannartiscus amphiconiscus  , n. sp.,

×

300

372

PLATE 40.

Legion SPUMELLARIA.

Order PRUNOIDEA.

Families PANARTIDA et ZYGARTIDA.

PLATE 40.

PANARTIDA et Z  YGARTIDA.

Diam.

Page.

Fig. 1.   Panartus diploconus, n. sp.,

×

300

379

Fig. 2. Panartus pluteus  , n. sp.,

×

300

382

Fig. 3. Panartus tetrathalamus  , n. sp.,

×

300

378

Fig. 4. Panicium coronatum, n. sp. (vel Panartidium coronatum  ),

×

300

386

Fig. 5. Peripanartus amphiconus  , n. sp.,

×

300

383

Fig. 6. Peripanartus cylindrus  , n. sp.,

×

150

384

Fig. 7. Peripanartus atractus  , n. sp.,

×

300

384

Fig. 8. Peripanicium amphicorona  , n. sp.,

×

300

387

Fig. 9. Panarium tubularium  , n. sp.,

×

300

390

Fig. 10. Ommatocampe nereides  , n. sp.,

×

300

394

Fig. 11. Cyphocolpus virginis, n. sp. (vel Zygartus virginis  )

×

300

369

Fig. 12. Desmartus larvalis, n. sp. (vel Zygartus larvalis  ),

×

300

398

Fig. 13. Zygartus chrysalis, n. sp. (vel Zygocampe chrysalis  ),

×

400

401

PLATE 41.

Legion SPUMELLARIA.

Order DISCOIDEA.

Families PORODISCIDA et SPONGODISCIDA.

PLATE 41.

PORODISCIDA et S  PONGODISCIDA.

Diam.

Page.

Fig. 1.   Porodiscus flustrella, n. sp.,

×

300

493

Fig. 2. Porodiscus perispira  , n. sp.,

×

200

495

The rings alone (equatorial section).

Fig. 3. Porodiscus quadrigatus  , n. sp.,

×

200

494

The rings alone (equatorial section).

Fig. 4. Porodiscus semispiralis  , n. sp.,

×

500

497

Fig. 5. Perichlamydium saturnus  , n. sp.,

×

300

499

Fig. 6. Porodiscus centrospira, n. sp. (vel Perispongidium centrospira  ),

×

200

495

The rings alone (equatorial section).

Fig. 7. Porodiscus irregularis, n. sp. (vel Perispongidium irregulare  ),

×

200

498

The rings alone (equatorial section).

Fig. 8. Stylodictya heliospira  , n. sp.,

×

400

512

Fig. 9. Stylodictya centrospira  , n. sp.,

×

400

512

Fig. 10. Stylochlamydium asteriscus  , n. sp.,

×

400

514

Fig. 11. Stylotrochus geddesii  , n. sp.,

×

300

585

PLATE 42.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PORODISCIDA.

PLATE 42.

P  ORODISCIDA.

Diam.

Page.

Fig. 1.   Staurodictya elegans, n. sp.,

×

500

507

Fig. 2. Staurodictya ciliata  , n. sp.,

×

400

506

Fig. 3. Staurodictya medusa  , n. sp.,

×

400

506

Fig. 4. Staurodictya cruciata  , n. sp.,

×

300

507

Fig. 5. Staurodictya cruciata  , n. sp.,

×

300

507

Vertical section through the disk.

Fig. 6. Staurodictya grandis  , n. sp.,

×

300

508

Vertical section through the disk.

Fig. 7. Tripodictya triacantha  , n. sp.,

×

400

505

Fig. 8. Tripodictya trigonaria  , n. sp.,

×

400

505

Fig. 9. Tripodictya tribelonia  , n. sp.,

×

400

505

Vertical section through the disk.

Fig. 10. Xiphodictya amphibelonia  , n. sp.,

×

300

503

Marginal view.

Fig. 11. Xiphodictya amphirrhopalia  , n. sp.,

×

400

504

Fig. 12. Xiphodictya staurospira  , n. sp.,

×

500

504

PLATE 43.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PORODISCIDA.

PLATE 43.

P  ORODISCIDA.

Diam.

Page.

Fig. 1.   Rhopalastrum malleus, n. sp.,

×

100

527

Fig. 2. Rhopalastrum ypsilinum  , n. sp.,

×

50

528

Fig. 3. Rhopalastrum hexaceros  , n. sp.,

×

100

529

Fig. 4. Rhopalastrum triceros  , n. sp.,

×

50

529

Fig. 5. Rhopalastrum trispinosum, n. sp. (vel Dictyastrum trispinosum  ),

×

150

525

Fig. 6. Rhopalastrum arcticum  , n. sp.,

×

300

539

Fig. 7. Rhopalastrum hexagonum, n. sp. (vel Dictyastrum hexagonum  ),

×

100

525

Fig. 8. Rhopalastrum irregulare  , n. sp.,

×

100

528

Fig. 9. Euchitonia lanceolata  , n. sp.,

×

80

534

Fig. 10. Euchitonia carcinus  , n. sp.,

×

300

535

Fig. 11. Euchitonia echinata  , n. sp.,

×

120

536

Fig. 12. Euchitonia stohrii  , n. sp.,

×

100

534

Fig. 13. Hymeniastrum euclidis  , n. sp.,

×

200

531

Fig. 14. Chitonastrum jugatum  , n. sp.,

×

200

537

Fig. 15. Chitonastrum lyra  , n. sp.,

×

500

538

A living specimen observed. The entire shell is enveloped by the calymma and surrounded by radiating pseudopodia (drawn much too short). Between the two paired arms arises a large "sarcode-flagellum." The central chamber and the first enveloping ring are filled by the clear nucleus; the other rings and all the chambers of the arms contain numerous pink oil-globules.

Fig. 16. Trigonastrum regulare, n. sp. (vel Chitonastrum regulare  ),

×

200

539

PLATE 44.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PORODISCIDA.

PLATE 44.

P  ORODISCIDA.

Diam.

Page.

Fig. 1.   Stephanastrum capitatum, n. sp.,

×

200

549

Fig. 2. Pentinastrum asteriscus  , n. sp.,

×

300

557

Fig. 3. Pentalastrum ophidiaster  , n. sp.,

×

100

557

Fig. 4. Hexinastrum geryonidum  , n. sp.,

×

300

560

Fig. 5. Hexalastrum orchidaceum  , n. sp.,

×

50

560

Fig. 6. Amphibrachium dilatatum  , n. sp.,

×

50

517

Fig. 7. Amphymenium zygartus  , n. sp.,

×

400

520

Fig. 8. Amphymenium pupula  , n. sp.,

×

300

519

Fig. 9. Amphymenium amphistylium  , n. sp.,

×

200

520

Fig. 10. Amphicraspedum murrayanum  , n. sp.,

×

300

523

Fig. 11. Amphymenium monstrosum  , n. sp.,

×

300

520

PLATE 45.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PORODISCIDA.

PLATE 45.

P  ORODISCIDA.

Diam.

Page.

Fig. 1.   Stauralastrum rhopalophorum, n. sp.,

×

200

541

Fig. 2. Dicranastrum cornutum  , n. sp.,

×

200

551

Fig. 3. Hagiastrum mosis  , n. sp.,

×

100

543

Fig. 4. Hagiastrum mosis  , n. sp.,

×

50

543

Lateral view, from the edge.

Fig. 5. Hagiastrum buddhæ  , n. sp.,

×

50

542

Fig. 6. Stauralastrum cruciforme  , n. sp. (in glycerine),

×

500

540

The central capsule contains a large central nucleus with nucleolus, and is surrounded by the jelly calymma and numerous small zooxanthellæ. The endoplasm is radially striped.

Fig. 7. Tesserastrum democriti  , n. sp.,

×

100

548

Fig. 8. Tesserastrum straussii  , n. sp.,

×

500

547

Fig. 9. Tesserastrum brunonis  , n. sp.,

×

200

548

Disk seen from the edge.

Fig. 10. Amphirhopalum echinatum  , n. sp.,

×

300

522

Fig. 11. Amphicraspedum   maclaganium, n. sp.,

×

100

523

Fig. 12. Amphicraspedum wyvilleanum  , n. sp.,

×

300

523

PLATE 46.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PORODISCIDA.

PLATE 46.

P  ORODISCIDA.

Diam.

Page.

Fig. 1.   Histiastrum boseanum, n. sp.,

×

400

546

Fig. 2. Histiastrum pentadiscus  , n. sp.,

×

200

546

Fig. 3. Histiastrum quadrigatum  , n. sp.,

×

300

544

Fig. 4. Histiastrum velatum  , n. sp.,

×

200

545

Fig. 5. Stephanastrum quadratum  , n. sp.,

×

200

549

PLATE 47.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family PORODISCIDA.

PLATE 47.

P  ORODISCIDA.

Diam.

Page.

Fig. 1.   Dicranastrum bifurcatum, n. sp.,

×

200

552

Fig. 1a.   Central disc of the same,

×

600

Fig. 2. Dicranastrum furcatum  , n. sp.,

×

100

550

Fig. 3. Dicranastrum wyvillei  , n. sp.,

×

100

551

Fig. 4. Pentophiastrum forcipatum  , n. sp.,

×

50

559

Fig. 5. Pentophiastrum caudatum  , n. sp.,

×

50

559

Fig. 6. Myelastrum papilio  , n. sp.,

×

50

554

Fig. 7. Myelastrum decaceros  , n. sp.,

×

20

554

Fig. 8. Myelastrum heteropterum  , n. sp.,

×

20

553

Fig. 9. Myelastrum anomalum  , n. sp.,

×

50

556

Fig. 10. Myelastrum farfalla  , n. sp.,

×

50

554

Fig. 11. Myelastrum dodecaceros  , n. sp.,

×

100

554

Fig. 12. Myelastrum octocorne  , n. sp.,

×

90

553

Fig. 13. Myelastrum medullare  , n. sp.,

×

50

553

PLATE 48.

Legion SPUMELLARIA.

Orders PRUNOIDEA ET DISCOIDEA.

Families ELLIPSIDA, ARTISCIDA, SPONGURIDA, CENODISCIDA, PORODISCIDA et PYLODISCIDA.

PLATE 48.

ELLIPSIDA, ARTISCIDA, SPONGURIDA, CENODISCIDA, PORODISCIDA et P  YLODISCIDA.

Diam.

Page.

Fig. 1.   Cenodiscus phacoides, n. sp.,

×

100

411

Fig. 1a.   Vertical section.

Fig. 2. Crucidiscus endostaurus  , n. sp.,

×

200

416

Equatorial section.

Fig. 3. Trochodiscus stellaris  , n. sp.,

×

200

418

Fig. 4. Axoprunum stauraxonium  , n. sp.,

×

300

298

Equatorial section.

Fig. 5. Stylartus bipolaris  , n. sp.,

×

200

357

Vertical section.

Fig. 6. Spongocore puella  , n. sp.,

×

300

347

Fig. 7. Spongoprunum amphilonche  , n. sp.,

×

300

347

Fig. 8. Stomatodiscus osculatus  , n. sp.,

×

600

503

Fig. 9. Archidiscus stauroniscus  , n. sp.,

×

400

487

Fig. 9a.   Marginal view.

Fig. 10. Archidiscus hexoniscus  , n. sp.,

×

400

488

Fig. 10a.   Marginal view.

Fig. 11. Archidiscus pyloniscus  , n. sp.,

×

400

488

Fig. 11a.   Marginal view.

Fig. 12. Triolena primordialis  , n. sp.,

×

800

564

Fig. 13. Triopyle hexagona  , n. sp.,

×

600

565

Fig. 14. Triodiscus spinosus  , n. sp.,

×

600

565

Fig. 15. Pylolena armata  , n. sp.,

×

300

568

Fig. 16. Hexapyle dodecantha  , n. sp.,

×

300

569

Fig. 17. Pylodiscus triangularis  , n. sp.,

×

400

570

Fig. 18. Discozonium hexagonium  , n. sp.,

×

400

572

Fig. 19. Discopyle osculata  , n. sp.,

×

400

573

Fig. 20. Discopyle elliptica  , n. sp.,

×

400

573

PLATE 49.

Legion SPUMELLARIA.

Order LARCOIDEA.

Families LITHELIDA, STREBLONIDA, PHORTICIDA et SOREUMIDA.

PLATE 49.

LITHELIDA, STREBLONIDA, PHORTICIDA et S  OREUMIDA.

Diam.

Page.

Fig. 1.   Spirema melonia, n. sp.,

×

300

692

Fig. 2. Lithelius solaris  , n. sp. (the first central convolutions only),

×

300

695

Fig. 3. Larcospira quadrangula  , n. sp.,

×

300

696

Fig. 4. Pylospira octopyle  , n. sp.,

×

300

698

Fig. 5. Tholospira cervicornis  , n. sp.,

×

300

700

Fig. 6. Tholospira dendrophora  , n. sp.,

×

300

700

Fig. 7. Spironium octonium  , n. sp.,

×

300

701

Fig. 8. Streblacantha siderolina  , n. sp.,

×

300

706

Fig. 8a  . Outlines of the chambers,

×

200

Fig. 9. Streblopyle helicina  , n. sp.,

×

300

707

Fig. 10. Phorticium pylonium  , n. sp.,

×

300

709

Fig. 11. Spongophortis larnacilla  , n. sp.,

×

200

711

Fig. 11a.   The upper half of the cortical shell is removed.

Figs. 11b to 11d. The enclosed medullary Larnacilla-shell. b, Dorsal view; c, lateral view; d  , basal view.

Fig. 12. Soreuma irregulare  , n. sp.,

×

200

713

Fig. 13. Sorolarcus larnacillifer  , n. sp.,

×

300

715

PLATE 50.

Legion SPUMELLARIA.

Order LARCOIDEA.

Families LARCARIDA, LARNACIDA et ZONARIDA.

PLATE 50.

LARCARIDA, LARNACIDA et Z  ONARIDA.

Diam.

Page.

Fig. 1.   Larnacilla typus, n. sp.,

×

300

617

From the sagittal pole (dorsal view).

Fig. 1a  . From the lateral pole (sagittal section).

Fig. 1b  . From the principal pole (equatorial section).

Fig. 2. Larnacalpis lentellipsis  , n. sp.,

×

400

620

From the sagittal pole (dorsal view).

Fig. 2a  . From the lateral pole (sagittal section).

Fig. 2b  . From the principal pole (equatorial section).

Fig. 3. Larnacalpis triaxonia  , n. sp.,

×

400

621

From the sagittal pole (dorsal view).

Fig. 4. Larnacantha hexacantha  , n. sp.,

×

400

622

From the sagittal pole (dorsal view).

Fig. 5. Larnacantha bicruciata  , n. sp.,

×

300

623

Frontal view.

Fig. 6. Larnacantha prismatica  , n. sp.,

×

300

623

Half frontal, half lateral view.

Fig. 7. Cenolarcus primordialis  , n. sp.,

×

300

607

From the sagittal pole.

Fig. 7a  . From the lateral pole.

Fig. 7b  . From the principal pole.

Fig. 8. Larcidium dodecanthum  , n. sp.,

×

300

612

From the sagittal pole.

Fig. 8a  . From the principal pole.

Fig. 9. Zonarium octangulum  , n. sp.,

×

300

685

Frontal view.

Fig. 10. Zoniscus tetracanthus  , n. sp.,

×

300

687

Frontal view.

Fig. 11. Zoniscus hexatholius  , n. sp.,

×

400

687

Dorsal view (from the sagittal pole).

Fig. 11a  . Lateral view (from the frontal pole).

Fig. 12. Zonidium octotholium  , n. sp.,

×

300

688

Frontal section (from the sagittal pole).

Fig. 12a  . Lateral view (from the frontal pole).

PLATE 51.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families TRIPOCALPIDA, PHÆNOCALPIDA et CYRTOCALPIDA.

PLATE 51.

TRIPOCALPIDA, PHÆNOCALPIDA et C  YRTOCALPIDA.

Diam.

Page.

Fig. 1.   Tripterocalpis phylloptera, n. sp.,

×

400

1138

Fig. 2. Tripterocalpis conoptera  , n. sp.,

×

300

1138

Fig. 3. Tripterocalpis ogmoptera  , n. sp.,

×

300

1138

Fig. 4. Tripterocalpis ogmoptera  , n. sp.,

×

500

1138

A group of confluent pores, more enlarged.

Fig. 5. Tripterocalpis ogmoptera  , n. sp.,

×

300

1138

Central capsule. In the centre the striate podoconus, above it four oil-globules, to the right the nucleus.

Fig. 6. Tripocalpis triserrata  , n. sp.,

×

600

1136

Fig. 7. Tridictyopus conicus  , n. sp.,

×

300

1145

Fig. 8. Tridictyopus vatillum  , n. sp.,

×

400

1145

Fig. 9. Cyrtophormis spiralis  , n. sp.,

×

400

1166

Fig. 10. Archicorys ovata  , n. sp.,

×

300

1185

Fig. 11. Cyrtocalpis gromia  , n. sp.,

×

400

1188

Fig. 12. Archicorys microstoma  , n. sp.,

×

400

1185

Fig. 13. Cyrtocalpis urceolus  , n. sp.,

×

500

1186

The ovate central capsule exhibits in the lower half the podoconus, in the upper half the spherical nucleus and three oil-globules. Between the capsule and the shell numerous xanthellæ, partly protruded through the shell-mouth along the radiating pseudopodia.

PLATE 52.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families TRIPOCALPIDA, PHÆNOCALPIDA, CYRTOCALPIDA et ANTHOCYRTIDA.

PLATE 52.

TRIPOCALPIDA, PHÆNOCALPIDA, CYRTOCALPIDA et A  NTHOCYRTIDA.

Diam.

Page.

Fig. 1.   Cyrtophormis pila, n. sp.,

×

300

1165

Fig. 2. Cyrtophormis ærostatica  , n. sp.,

×

300

1166

Fig. 3. Cyrtophormis ærostatica  , n. sp.,

×

300

1166

Longitudinal section.

Fig. 4. Cyrtocalpis sethopora  , n. sp.,

×

600

1187

Fig. 5. Cyrtocalpis lithomitra  , n. sp.,

×

400

1187

Fig. 6. Cyrtocalpis lithomitra  , n. sp.,

×

400

1187

Longitudinal section.

Fig. 7. Cyrtocalpis compacta  , n. sp.,

×

400

1187

Fig. 8. Cyrtocalpis compacta  , n. sp.,

×

400

1187

Longitudinal section.

Fig. 9. Carpocanistrum flosculum  , n. sp.,

×

400

1171

Fig. 10. Carpocanistrum cephalum  , n. sp.,

×

300

1171

Fig. 11. Carpocanistrum evacuatum  , n. sp.,

×

400

1172

Fig. 12. Carpocanium verecundum  , n. sp.,

×

400

1284

Vertical section through the top of the shell.

Fig. 13. Carpocanium verecundum  , n. sp.,

×

400

1284

Fig. 14. Carpocanium irregulare  , n. sp.,

×

400

1284

Fig. 15. Carpocanium hexagonale  , n. sp.,

×

400

1282

Fig. 16. Carpocanium peristomium  , n. sp.,

×

500

1283

Fig. 17. Carpocanium peristomium  , n. sp.,

×

500

1283

Vertical section.

Fig. 18. Carpocanium trepanium  , n. sp.,

×

600

1282

Peristome.

Fig. 19. Carpocanium petalospyris  , n. sp.,

×

300

1283

Fig. 20. Carpocanium virgineum  , n. sp.,

×

600

1285

Fig. 21. Tripodiscium sphærocephalum  , n. sp.,

×

400

1144

Fig. 22. Tripodiscium tristylospyris, n. sp. (vel Tristylospyris tripodiscium  ),

×

600

1143

Fig. 23. Tripodiscium ramosum, n. sp. (vel Tristylospyris ramosa  ),

×

600

1144

PLATE 53.

Legion NASSELLARIA.

Orders SPYROIDEA ET CYRTOIDEA.

Families ZYGOSPYRIDA, TRIPOCALPIDA, PHÆNOCALPIDA et CYRTOCALPIDA.

PLATE 53.

ZYGOSPYRIDA, TRIPOCALPIDA, PHÆNOCALPIDA et C  YRTOCALPIDA.

Diam.

Page.

Fig. 1.   Archicapsa triforis, n. sp.,

×

300

1191

Lateral view.

Fig. 2. Archicapsa triforis  , n. sp.,

×

300

1191

Basal view.

Fig. 3. Halicapsa triglochin  , n. sp.,

×

200

1190

Lateral view.

Fig. 4. Halicapsa triglochin  , n. sp.,

×

200

1191

Basal view.

Fig. 5. Halicapsa hystrix  , n. sp.,

×

200

1191

Lateral view.

Fig. 6. Halicapsa hystrix  , n. sp.,

×

200

1191

Basal view.

Fig. 7. Cantharospyris platybursa, n. sp. (vel Platybursa compressa  ),

×

400

1051

Fig. 8. Tessarospyris clathrobursa, n. sp. (vel Clathrobursa dictyopus  ),

×

400

1045

Fig. 9. Peridium spinipes  , n. sp.,

×

500

1154

Fig. 10. Peridium palmipes  , n. sp.,

×

500

1154

Fig. 11. Archiscenium quadrispinum  , n. sp.,

×

500

1150

In the spherical central capsule the dark nucleus is visible.

Fig. 12. Euscenium eucolpium  , n. sp.,

×

500

1147

Fig. 13. Cladoscenium ancoratum  , n. sp.,

×

400

1149

Fig. 14. Pteroscenium pinnatum  , n. sp.,

×

400

1152

Lateral view.

Fig. 15. Pteroscenium pinnatum  , n. sp.,

×

400

1152

Vertical section.

Fig. 16. Pteroscenium pinnatum  , n. sp.,

×

400

1152

Basal view.

Fig. 17. Calpophæna hexarrhabda  , n. sp.,

×

400

1176

Fig. 18. Calpophæna hexarrhabda  , n. sp.,

×

400

1176

Basal plate.

Fig. 19. Tetraspyris tetracorethra  , n. sp.,

×

400

1044

With the four-lobed central capsule, in each lobe an oil-globule.

Fig. 20. Tetraspyris tetracorethra  , n. sp.,

×

800

1044

Shell more enlarged.

PLATE 54.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PHÆNOCALPIDA, CYRTOCALPIDA, ANTHOCYRTIDA et SETHOCYRTIDA.

PLATE 54.

PHÆNOCALPIDA, CYRTOCALPIDA, ANTHOCYRTIDA et S  ETHOCYRTIDA.

Diam.

Page.

Fig. 1.   Bathropyramis quadrata, n. sp.,

×

300

1159

Fig. 2. Sethopyramis quadrata  , n. sp.,

×

300

1254

Fig. 3. Bathropyramis trapezoides  , n. sp.,

×

300

1160

Fig. 4. Bathropyramis ramosa  , n. sp.,

×

300

1161

Fig. 5. Peripyramis circumtexta  , n. sp.,

×

300

1162

Fig. 6. Plectopyramis dodecomma  , n. sp.,

×

400

1258

Fig. 7. Cinclopyramis infundibulum  , n. sp.,

×

300

1161

Fig. 8. Plectopyramis trapezomma  , n. sp.,

×

400

1258

Fig. 9. Cornutella hexagona  , n. sp.,

×

400

1180

Fig. 10. Cornutella sethoconus  , n. sp.,

×

400

1180

Fig. 11. Sethoconus orthoceras  , n. sp.,

×

400

1294

Fig. 12. Sethoconus bimarginatus  , n. sp.,

×

400

1295

PLATE 55.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PHÆNOCALPIDA, ANTHOCYRTIDA et SETHOCYRTIDA.

PLATE 55.

PHÆNOCALPIDA, ANTHOCYRTIDA et S  ETHOCYRTIDA.

Diam.

Page.

Fig. 1.   Sethoconus facetus, n. sp. (vel Phlebarachnium facetum),

×

300

1296

Upper part of the shell.

Fig. 2. Sethoconus venosus, n. sp. (vel Phlebarachnium venosum  ),

×

250

1297

Shell including the four-lobed central capsule.

Fig. 3. Sethophormis aurelia, n. sp. (vel Leptarachnium aurelia  ),

×

100

1248

Shell seen from above.

Fig. 4. Sethophormis aurelia  , n. sp.,

×

400

1248

Cephalis more enlarged, with the enclosed four-lobed central capsule.

Fig. 5. Cladarachnium ramosum  , n. sp.,

×

300

1165

Apical view.

Fig. 6. Cladarachnium ramosum  , n. sp.,

×

70

1165

Lateral view.

Fig. 7. Bathropyramis interrupta  , n. sp.,

×

300

1160

Apical part of the shell, from above.

Fig. 8. Litharachnium araneosum  , n. sp.,

×

300

1163

Apical part of the shell, from above.

Fig. 9. Litharachnium epeira  , n. sp.,

×

500

1164

Oblique view of the shell.

Fig. 10. Litharachnium araneosum  , n. sp.,

×

50

1163

Lateral view.

Fig. 11. Periarachnium periplectum  , n. sp.,

×

500

1297

Shell enclosing the trilobed central capsule.

PLATE 56.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families TRIPOCYRTIDA, ANTHOCYRTIDA et SETHOCYRTIDA.

PLATE 56.

TRIPOCYRTIDA, ANTHOCYRTIDA et S  ETHOCYRTIDA.

Diam.

Page.

Fig. 1.   Lithomelissa bütschlii, n. sp. (vel Sethomelissa bütschlii),

×

400

1207

Fig. 2. Lithomelissa decacantha, n. sp. (vel Sethomelissa decacantha  ),

×

400

1208

Fig. 3. Psilomelissa calvata,   n. sp.,

×

400

1209

The cephalis alone, with the three collar beams.

Fig. 4. Lychnodictyum scaphopodium,   n. sp.,

×

400

1231

Fig. 5. Sethophormis pentalactis, n. sp. (vel Pentaphormis pentalactis  ),

×

400

1244

Oblique view of the shell, from below.

Fig. 6. Sethophormis hexalactis, n. sp. (vel Hexaphormis hexalactis  ),

×

400

1245

Central part of the shell, with the cortinar septum.

Fig. 7. Sethopyramis enneactis, n. sp. (vel Cephalopyramis enneactis  ),

×

400

1254

Fig. 8. Plectopyramis polypleura, n. sp. (vel Sethopyramis polypleura  ),

×

200

1260

Fig. 9. Sethophormis eupilium, n. sp. (vel Craspedilium eupilium  ),

×

400

1247

Fig. 10. Plectopyramis spongiosa, n. sp. (vel Spongopyramis spongiosa  ),

×

400

1261

Fig. 11. Arachnocorys araneosa,   n. sp.,

×

500

1266

Fig. 12. Sethophormis dodecaster, n. sp. (vel Astrophormis dodecaster  ),

×

200

1248

Fig. 13. Sethocephalus eucecryphalus,   n. sp.,

×

400

1298

PLATE 57.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families TRIPOCYRTIDA, ANTHOCYRTIDA et SETHOCYRTIDA.

PLATE 57.

TRIPOCYRTIDA, ANTHOCYRTIDA et SETHOCYRTIDA  .

Diam.

Page.

Fig. 1.   Dicolocapsa microcephala, n. sp.,

×

400

1312

Fig. 2. Sethocapsa pyriformis  , n. sp.,

×

300

1310

Fig. 3. Lithopera ananassa  , n. sp.,

×

500

1234

Fig. 4. Sethamphora favosa, n. sp. (vel Cryptoprora favosa  ),

×

400

1252

Fig. 5. Sethamphora microstoma, n. sp. (vel Cryptoprora microstoma  ),

×

300

1252

Fig. 6. Clistophæna hexolena  , n. sp.,

×

300

1287

Fig. 7. Clistophæna armata  , n. sp.,

×

300

1288

Fig. 8. Clathromitra pterophormis  , n. sp.,

×

400

1219

Fig. 9. Sethophormis rotula, n. sp. (vel Enneaphormis rotula  ),

×

400

1246

Fig. 10. Dictyophimus sphærocephalus  , n. sp.,

×

400

1195

Fig. 11. Peromelissa phalacra  , n. sp.,

×

400

1236

Fig. 12. Peromelissa calva  , n. sp.,

×

300

1237

Fig. 13. Sethochytris triconiscus  , n. sp.,

×

300

1239

Fig. 14. Micromelissa bombus  , n. sp.,

×

300

1235

PLATE 58.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families TRIPOCYRTIDA, SETHOCYRTIDA, PHORMOCYRTIDA et THEOCYRTIDA.

PLATE 58.

TRIPOCYRTIDA, SETHOCYRTIDA, PHORMOCYRTIDA et T  HEOCYRTIDA.

Diam.

Page.

Fig. 1.   Cecryphalium sestrodiscus, n. sp.,

×

400

1399

Apical view.

Fig. 2. Cecryphalium lamprodiscus  , n. sp.,

×

400

1398

Apical view.

Fig. 3. Clathrocyclas coscinodiscus  , n. sp.,

×

400

1389

Apical view.

Fig. 4. Clathrocyclas coscinodiscus  , n. sp.,

×

700

1389

The cephalis alone, with the two horns.

Fig. 5. Clathrocyclas semeles  , n. sp.,

×

400

1388

Lateral view.

Fig. 6. Sethoconus capreolus  , n. sp.,

×

400

1291

Lateral view.

Fig. 7. Lampromitra quadricuspis  , n. sp.,

×

400

1214

Apical view.

Fig. 8. Lampromitra furcata  , n. sp.,

×

400

1215

The collar septum after removal of the cephalis.

Fig. 9. Lampromitra dendrocorona  , n. sp.,

×

400

1216

Apical view.

PLATE 59.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families TRIPOCYRTIDA, PODOCYRTIDA et PHORMOCYRTIDA.

PLATE 59.

TRIPOCYRTIDA, PODOCYRTIDA et P  HORMOCYRTIDA.

Diam.

Page.

Fig. 1.   Lampromitra huxleyi, n. sp.,

×

400

1215

Fig. 2. Amphiplecta callistoma  , n. sp.,

×

400

1224

Fig. 3. Corocalyptra agnesæ  , n. sp.,

×

400

1323

Fig. 4. Corocalyptra emmæ  , n. sp.,

×

400

1323

The shell encloses the trilobate central capsule, with the trilobate nucleus.

Fig. 5. Clathrocyclas cassiopejæ  , n. sp.,

×

400

1390

Fig. 6. Clathrocyclas alcmenæ  , n. sp.,

×

400

1388

Fig. 7. Clathrocyclas latonæ  , n. sp.,

×

400

1389

Apical view.

Fig. 8. Diplocylas bicorona  , n. sp.,

×

400

1392

Fig. 9. Clathrocyclas ionis  , n. sp.,

×

400

1389

Fig. 10. Corocalyptra elisabethæ  , n. sp.,

×

400

1323

Oblique apical view of the shell, with the quadrilobate central capsule enclosed.

Fig. 11. Clathrocyclas europæ  , n. sp.,

×

400

1388

Apical view of the shell, after removal of the cephalis.

Fig. 12. Clathrocyclas europæ  , n. sp.,

×

400

1388

Central capsule, seen from above, with the quadrilobate nucleus.

Fig. 13. Clathrocyclas danaës  , n. sp.,

×

300

1388

Vertical section through the cephalis and the quadrilobate central capsule, with the quadrilobate nucleus.

Fig. 14. Clathrocyclas danaës  , n. sp.,

×

300

1388

Apical view of the shell.

PLATE 60.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family TRIPOCYRTIDA.

PLATE 60.

T  RIPOCYRTIDA.

Diam.

Page.

Fig. 1.   Dictyophimus cienkowskii, n. sp. (vel Lamprotripus squarrosus),

×

300

1200

Shell seen from the side.

Fig. 2. Dictyophimus bütschlii, n. sp. (vel Lamprotripus horridus  ),

×

300

1201

Fig. 3. Dictyophimus hertwigii, n. sp. (vel Lamprotripus spinosus  ),

×

400

1201

The cephalis of the shell includes the central capsule, with three lobes depending in the pyramidal thorax.

Fig. 4. Dictyophimus platycephalus  , n. sp.,

×

400

1198

Central capsule with four thoracic lobes, each of which contains an oil-globule; kidney-shaped nucleus in the cephalic lobe.

Fig. 5. Dictyophimus platycephalus  , n. sp.,

×

400

1198

Shell seen from the side.

Fig. 6. Dictyophimus brandtii  , n. sp.,

×

300

1198

Shell seen from the base, with the four large pores of the collar septum, two minor jugular and two major cardinal pores.

Fig. 7. Lampromitra coronata  , n. sp.,

×

400

1214

Shell seen from below, with the quadrilobate central capsule.

Fig. 7a  . A portion of the shell-margin,

×

800

1214

Fig. 8. Lampromitra arborescens  , n. sp.,

×

400

1216

Shell from above.

Fig. 8a  . The collar septum with the four crossed rods of the cortina,

×

400

1216

Fig. 9. Tripocyrtis plectaniscus  , n. sp.,

×

400

1202

Fig. 10. Tripocyrtis plagoniscus  , n. sp.,

×

400

1201

PLATE 61.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family TRIPOCYRTIDA.

PLATE 61.

T  RIPOCYRTIDA.

Diam.

Page.

Fig. 1.   Dictyophimus cortina, n. sp.,

×

400

1197

Fig. 2. Lychnocanium pudicum  , n. sp.,

×

200

1230

Fig. 3. Dictyophimus longipes  , n. sp.,

×

400

1197

Fig. 4. Lychnocanium clavigerum  , n. sp.,

×

300

1230

Fig. 5. Dictyophimus lasanum  , n. sp.,

×

300

1197

Fig. 6. Lychnocanium favosum  , n. sp.,

×

300

1225

Fig. 7. Lychnocanium lanterna  , n. sp.,

×

300

1224

Fig. 8. Dictyophimus plectaniscus  , n. sp.,

×

300

1196

Apical view.

Fig. 9. Dictyophimus plectaniscus  , n. sp.,

×

300

1196

Lateral view.

Fig. 10. Lychnocanium fenestratum  , n. sp.,

×

400

1228

Fig. 11. Lychnocanium pyriforme  , n. sp.,

×

300

1225

Fig. 12. Lychnocanium fortipes  , n. sp.,

×

300

1227

Fig. 13. Lychnocanium tuberosum  , n. sp.,

×

300

1227

Fig. 14. Lychnocanium nodosum  , n. sp.,

×

300

1225

Fig. 15. Lychnocanium sigmopodium  , n. sp.,

×

400

1228

Fig. 16. Dictyophimus pyramis  , n. sp.,

×

300

1196

Fig. 17. Dictyophimus triserratus  , n. sp.,

×

300

1200

PLATE 62.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families ANTHOCYRTIDA, SETHOCYRTIDA et PHORMOCYRTIDA.

PLATE 62.

ANTHOCYRTIDA, SETHOCYRTIDA et P  HORMOCYRTIDA.

Diam.

Page.

Fig. 1.   Dictyocephalus australis, n. sp.,

×

300

1306

Fig. 2. Dictyocephalus mediterraneus  , n. sp.,

×

300

1307

Fig. 3. Sethamphora costata, n. sp. (vel Dictyocephalus costatus  ),

×

300

1251

Fig. 4. Dictyocephalus amphora  , n. sp.,

×

400

1305

Fig. 5. Cycladophora (?) favosa, n. sp. (an Dictyocephalus?  ),

×

400

1380

Fig. 6. Cycladophora (?) favosa, n. sp. (an Dictyocephalus?  ),

×

400

1380

A variety with obliterated ribs (?).

Fig. 7. Dictyocephalus globiceps  , n. sp.,

×

400

1308

Fig. 8. Sethocorys achillis  , n. sp.,

×

400

1301

Fig. 9. Sethocyrtis oxycephalis  , n. sp.,

×

400

1299

Fig. 10. Sethocorys odysseus  , n. sp.,

×

400

1302

Fig. 11. Sethocyrtis agamemnonis  , n. sp.,

×

300

1300

Seen from above (apical view).

Fig. 11A. Sethocyrtis agamemnonis  , n. sp.,

×

300

1300

Seen from above, after removal of the cephalis.

Fig. 12. Anthocyrtium pyrum  , n. sp.,

×

400

1276

Fig. 13. Anthocyrtis ovata  , n. sp.,

×

300

1272

Fig. 14. Anthocyrtium chrysanthemum  , n. sp

×

400

1272

Fig. 15. Anthocyrtidium ligularia  , n. sp.,

×

400

1278

Fig. 16. Anthocyrtidium cineraria  , n. sp.,

×

400

1278

Fig. 17. Anthocyrtium campanula  , n. sp.,

×

400

1274

Fig. 18. Anthocyrtium doronicum  , n. sp.,

×

300

1276

Fig. 19. Anthocyrtium flosculus  , n. sp.,

×

300

1277

Fig. 20. Anthocyrtium adonis  , n. sp.,

×

300

1273

Fig. 21. Sethoconus anthocyrtis, n. sp. (vel Anthocyrtium sethoconium  ),

×

300

1296

PLATE 63.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family TRIPOCYRTIDA.

PLATE 63.

T  RIPOCYRTIDA.

Diam.

Page.

Fig. 1.   Callimitra carolotæ, n. sp.,

×

400

1217

Lateral view.

Fig. 2. Callimitra annæ  , n. sp.,

×

400

1217

Dorsal view.

Fig. 3. Callimitra emmæ  , n. sp.,

×

300

1218

Lateral view.

Fig. 4. Callimitra emmæ  , n. sp.,

×

400

1218

Cephalis alone, with the enclosed four-lobed central capsule, and the internal four divergent beams; surrounded by some scattered xanthellæ.

Fig. 5. Callimitra agnesæ  , n. sp.,

×

400

1217

Dorsal view.

Fig. 6. Callimitra elisabethæ  , n. sp.,

×

400

1218

Lateral view.

Fig. 7. Callimitra carolotæ  , n. sp.,

×

200

1217

Seen from above (from the apical pole).

Fig. 8. Callimitra carolotæ  , n. sp.,

×

200

1217

Seen from below (from the basal pole).

PLATE 64.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families TRIPOCYRTIDA et PODOCYRTIDA.

PLATE 64.

TRIPOCYRTIDA et P  ODOCYRTIDA.

Diam.

Page.

Fig. 1.   Clathrocanium sphærocephalum, n. sp.,

×

600

1211

Fig. 2. Clathrocanium diadema  , n. sp.,

×

600

1212

Fig. 3. Clathrocanium triomma  , n. sp.,

×

600

1211

Fig. 4. Clathrocanium reginæ  , n. sp.,

×

600

1212

Fig. 5. Clathrolychnus araneosus  , n. sp.,

×

600

1240

Fig. 6. Clathrolychnus periplectus  , n. sp.,

×

600

1241

Fig. 7. Pteropilium clathrocanium  , n. sp.,

×

400

1327

Fig. 8. Clathrocorys murrayi  , n. sp.,

×

600

1219

Fig. 9. Clathrocorys giltschii  , n. sp.,

×

600

1220

Fig. 10. Clathrocorys teuscheri  , n. sp.,

×

600

1220

PLATE 65.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family PHORMOCYRTIDA.

PLATE 65.

P  HORMOCYRTIDA.

Diam.

Page.

Fig. 1.   Alacorys friderici, n. sp. (vel Hexalacorys friderici),

×

400

1372

The central capsule, enclosed in the fenestrated shell, exhibits in its lower half four large club-shaped lobes, each of which includes in its upper part a large oil-globule. The uppermost, undivided part of the capsule includes the nucleus, which protrudes four small nuclear lobes through the four holes of the cortinar septum into the thorax. Numerous long pseudopodia arise from the granular sarcomatrix, which the capsule surrounds, and pass through the pores of the siliceous shell.

Fig. 2. Alacorys guilelmi, n. sp. (vel Hexalacorys guilelmi  ),

×

300

1372

Fig. 3. Alacorys bismarckii, n. sp. (vel Pentalacorys bismarckii  ),

×

200

1372

Fig. 4. Alacorys lutheri, n. sp. (vel Tetralacorys lutheri  ),

×

400

1370

Fig. 5. Cycladophora goetheana, n. sp. (vel Lampterium goetheanum  ),

×

300

1376

PLATE 66.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family THEOCYRTIDA.

PLATE 66.

T  HEOCYRTIDA.

Diam.

Page.

Fig. 1.   Tricolocapsa theophrasti, n. sp.,

×

400

1432

Fig. 2. Tricolocapsa schleidenii  , n. sp.,

×

300

1433

Fig. 3. Tricolocapsa   dioscoridis, n. sp.,

×

300

1432

Fig. 4. Tricolocapsa decandollei  , n. sp.,

×

300

1433

Fig. 5. Tricolocapsa linnæi  , n. sp.,

×

400

1432

Fig. 6. Theocapsa aristotelis  , n. sp.,

×

300

1427

Fig. 7. Theocapsa mülleri  , n. sp.,

×

400

1431

Fig. 8. Theocapsa democriti  , n. sp.,

×

400

1427

Fig. 9. Theocapsa forskalii  , n. sp.,

×

400

1429

Fig. 10. Theocapsa cuvieri  , n. sp.,

×

400

1430

Fig. 11. Theocapsa wottonis  , n. sp.,

×

400

1428

Fig. 12. Theocapsa darwinii  , n. sp.,

×

300

1431

Fig. 13. Theocapsa linnæi  , n. sp.,

×

400

1429

Fig. 14. Theocapsa wolffii  , n. sp.,

×

400

1429

Fig. 15. Theocapsa malpighii  , n. sp.,

×

400

1428

Fig. 16. Theocapsa lamarckii  , n. sp.,

×

400

1430

Fig. 17. Tricolocampe amphizona  , n. sp.,

×

400

1413

Fig. 18. Theocampe collaris  , n. sp.,

×

300

1425

Fig. 19. Tricolocampe polyzona  , n. sp.,

×

400

1412

Fig. 20. Tricolocampe stenozona  , n. sp.,

×

400

1413

Fig. 21. Tricolocampe cylindrica  , n. sp.,

×

300

1412

Fig. 22. Tricolocampe urnula  , n. sp.,

×

400

1422

Fig. 23. Theocampe stenostoma  , n. sp.,

×

300

1423

Fig. 24. Theocampe costata  , n. sp.,

×

300

1424

Fig. 25. Theocampe sphærothorax  , n. sp.,

×

300

1424

PLATE 67.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family PODOCYRTIDA.

PLATE 67.

P  ODOCYRTIDA.

Diam.

Page.

Fig. 1.   Lithornithium falco, n. sp.,

×

400

1355

Fig. 2. Lithornithium fringilla  , n. sp.,

×

400

1355

Fig. 3. Lithornithium ciconia  , n. sp.,

×

400

1354

Fig. 4. Lithornithium trochilus  , n. sp.,

×

400

1355

Fig. 5. Theopera fusiformis  , n. sp.,

×

400

1357

Fig. 6. Theopera chytropus  , n. sp.,

×

400

1358

Fig. 7. Theopera prismatica  , n. sp.,

×

300

1357

Fig. 8. Theopera cortina  , n. sp.,

×

400

1358

Fig. 9. Rhopalocanium delphicum  , n. sp.,

×

400

1360

Fig. 10. Rhopalocanium lasanum  , n. sp.,

×

300

1359

Fig. 11. Lithochytris lanterna  , n. sp.,

×

300

1364

Fig. 12. Lithochytris cortina  , n. sp.,

×

300

1362

Fig. 13. Lithochytris pyriformis  , n. sp.,

×

400

1362

Fig. 14. Lithochytris lucerna  , n. sp.,

×

300

1364

Fig. 15. Lithochytris pteropus  , n. sp.,

×

300

1364

Fig. 16. Lithochytris galeata  , n. sp.,

×

400

1363

PLATE 68.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PODOCYRTIDA, PHORMOCYRTIDA et THEOCYRTIDA.

PLATE 68.

PODOCYRTIDA, PHORMOCYRTIDA et T  HEOCYRTIDA.

Diam.

Page.

Fig. 1.   Axocorys macroceros, n. sp.,

×

300

1420

Fig. 1a  . The internal axial rod of the shell, which bears on its basal part three verticils of three diverging forked spines,

×

300

Fig. 2. Cycladophora fenestrata  , n. sp.,

×

300

1380

Fig. 3. Cycladophora pantheon  , n. sp.,

×

400

1379

Fig. 4. Theosyringium tibia  , n. sp.,

×

300

1409

Fig. 5. Theosyringium pipetta  , n. sp.,

×

200

1409

Fig. 6. Pterocorys tubulosa  , n. sp.,

×

400

1319

Fig. 7. Pterocanium pyramis  , n. sp.,

×

400

1330

Fig. 8. Thyrsocyrtis rhizopodium  , n. sp.,

×

300

1351

Fig. 9. Thyrsocyrtis arborescens  , n. sp.,

×

400

1350

Fig. 10. Rhopalatractus foveolatus  , n. sp.,

×

400

1361

Fig. 11. Rhopalatractus pentacanthus  , n. sp.,

×

300

1361

Fig. 12. Rhopalatractus fenestratus, n. sp. (vel Dictyatractus fenestratus  ),

×

300

1361

Fig. 13. Hexalatractus fusiformis  , n. sp.,

×

300

1391

Fig. 14. Sethornithium dictyopterum  , n. sp.,

×

300

1356

The trilobate central capsule, which contains in its uppermost part the trilobate nucleus, and in the basal part of each lobe an oil-globule.

Fig. 15. Lophocyrtis synapta  , n. sp.,

×

300

1411

The quadrilobate central capsule, which contains in its uppermost part the quadrilobate nucleus, and in the basal part of each lobe an oil-globule.

PLATE 69.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PHORMOCYRTIDA et THEOCYRTIDA.

PLATE 69.

PHORMOCYRTIDA et T  HEOCYRTIDA.

Diam.

Page.

Fig. 1.   Theocorys plutonis, n. sp.,

×

400

1416

Fig. 2. Lophoconus rhinoceros  , n. sp.,

×

400

1405

Fig. 3. Theocorys apollinis  , n. sp.,

×

300

1418

Fig. 4. Theoconus jovis  , n. sp.,

×

400

1401

Fig. 5. Theocorys veneris  , n. sp.,

×

300

1415

Fig. 6. Phormocyrtis costata  , n. sp.,

×

300

1369

Fig. 7. Theoconus junonis  , n. sp.,

×

300

1401

Fig. 8. Theocyrtis ptychodes  , n. sp.,

×

400

1408

Fig. 9. Lophocorys astrocephala  , n. sp.,

×

300

1421

Fig. 10. Theocorys obliqua  , n. sp.,

×

400

1417

Fig. 11. Theocorys dianæ  , n. sp.,

×

400

1416

Fig. 12. Lophocorys bovicornis, n. sp.,

×

300

1422

Fig. 13. Theocyrtis macroceros, n. sp.,

×

400

1407

Fig. 14. Theocorys minervæ  , n. sp.,

×

300

1419

Fig. 15. Phormocyrtis longicornis  , n. sp.,

×

400

1370

Fig. 16. Theocorys ovata  , n. sp.,

×

300

1416

PLATE 70.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families ANTHOCYRTIDA, PODOCYRTIDA, PHORMOCYRTIDA et THEOCYRTIDA.

PLATE 70.

ANTHOCYRTIDA, PODOCYRTIDA, PHORMOCYRTIDA et T  HEOCYRTIDA.

Diam.

Page.

Fig. 1.   Theophormis callipilium, n. sp.,

×

300

1367

Fig. 2. Theophormis callipilium  , n. sp.,

×

300

1367

The four cruciate rods of the cortinar septum and the vertical columella in its centre.

Fig. 3. Theophormis callipilium  , n. sp.,

×

400

1367

The cephalis alone with the enclosed quadrilobate central capsule, which is surrounded by numerous xanthellæ.

Fig. 4. Sethophormis umbrella  , n. sp.,

×

150

1248

Fig. 5. Sethophormis umbrella  , n. sp.,

×

400

1248

Cephalis with the cruciform cortinar septum.

Fig. 6. Theopilium tricostatum  , n. sp.,

×

400

1322

Seen from above.

Fig. 7. Phrenocodon clathrostomium  , n. sp.,

×

250

1434

Vertical section through the shell.

Fig. 8. Phrenocodon clathrostomium  , n. sp.,

×

500

1434

Shell seen half from below, and exhibiting the fenestrated septum between thorax and abdomen.

Fig. 9. Pteropilium stratiotes  , n. sp.,

×

400

1326

Fig. 10. Pteropilium stratiotes  , n. sp.,

×

400

1326

The three rods of the cortinar septum and the three arches connecting them with the central axial columella.

Fig. 11. Pterocodon ornatus  , n. sp.,

×

300

1333

Fig. 12. Theophæna corona  , n. sp.,

×

300

1394

PLATE 71.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family PODOCYRTIDA.

PLATE 71.

P  ODOCYRTIDA.

Diam.

Page.

Fig. 1.   Pterocorys rhinoceros, n. sp.,

×

400

1320

Fig. 2. Pterocorys columba  , n. sp.,

×

400

1317

Fig. 3. Pterocorys campanula  , n. sp.,

×

400

1316

Fig. 4. Pterocorys hirundo  , n. sp.,

×

300

1318

Fig. 5. Pterocorys aquila  , n. sp.,

×

300

1317

Fig. 6. Dictyoceras insectum  , n. sp.,

×

400

1324

Fig. 7. Dictyoceras insectum  , n. sp.,

×

400

1324

Seen from the apex.

Fig. 8. Dictyoceras formica  , n. sp.,

×

400

1325

Fig. 9. Dictyoceras melitta  , n. sp.,

×

400

1325

Seen from the apex.

Fig. 10. Dictyoceras bombus  , n. sp.,

×

400

1325

Fig. 11. Dictyocodon annasethe  , n. sp.,

×

400

1334

Fig. 12. Dictyocodon palladius  , n. sp.,

×

300

1335

Fig. 13. Dictyocodon palladius  , n. sp.,

×

600

1335

Apical part of the shell alone.

Fig. 14. Dictyocodon carolotæ  , n. sp.,

×

300

1335

PLATE 72.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family PODOCYRTIDA.

PLATE 72.

P  ODOCYRTIDA.

Diam.

Page.

Fig. 1.   Podocyrtis prismatica, n. sp.,

×

300

1340

Fig. 2. Podocyrtis corythæola  , n. sp.,

×

300

1339

Fig. 3. Podocyrtis lithoconus  , n. sp.,

×

300

1348

Fig. 4. Podocyrtis tripodiscus  , n. sp.,

×

300

1338

Fig. 5. Podocyrtis magnifica  , n. sp.,

×

500

1341

Fig. 6. Podocyrtis divergens  , n. sp.,

×

400

1340

Fig. 7. Podocyrtis cristata  , n. sp.,

×

400

1342

Fig. 8. Podocyrtis pedicellaria  , n. sp.,

×

300

1347

Fig. 9. Podocyrtis flosculata  , n. sp.,

×

500

1341

Fig. 10. Podocyrtis surena  , n. sp.,

×

400

1339

PLATE 73.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PODOCYRTIDA et PHORMOCYRTIDA.

PLATE 73.

PODOCYRTIDA et P  HORMOCYRTIDA.

Diam.

Page.

Fig. 1.   Pterocanium tricolpum, n. sp.,

×

400

1331

Fig. 2. Pterocanium orcinum  , n. sp.,

×

400

1329

Fig. 3. Pterocanium gravidum  , n. sp.,

×

400

1329

Fig. 4. Pterocanium eucolpum  , n. sp.,

×

400

1332

Fig. 5. Pterocanium bicorne  , n. sp.,

×

400

1332

Fig. 6. Pterocanium virgineum  , n. sp.,

×

400

1330

Fig. 7. Dictyopodium thyrsolophus  , n. sp.,

×

300

1354

Fig. 8. Dictyopodium scaphopodium  , n. sp.,

×

300

1353

Fig. 9. Calocyclas monumentum  , n. sp.,

×

400

1385

Fig. 10. Calocyclas casta  , n. sp.,

×

400

1384

PLATE 74.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family PHORMOCYRTIDA.

PLATE 74.

P  HORMOCYRTIDA.

Diam.

Page.

Fig. 1.   Calocyclas parthenia, n. sp.,

×

400

1385

Fig. 2. Calocyclas amicæ  , n. sp.,

×

400

1382

Fig. 3. Calocyclas vestalis  , n. sp.,

×

400

1382

Fig. 4. Calocyclas virginis  , n. sp.,

×

300

1381

Fig. 5. Calocyclas veneris  , n. sp.,

×

300

1381

Fig. 6. Clathrocyclas basilea, n. sp. (vel Calocyclas basilea  ),

×

400

1386

Fig. 7. Clathrocyclas principessa, n. sp. (vel Calocyclas principessa  ),

×

400

1386

Fig. 8. Clathrocyclas collaris, n. sp. (vel Calocyclas collaris  ),

×

400

1387

Fig. 9. Alacorys carcinus, n. sp. (vel Calocyclas carcinus  ),

×

300

1375

Fig. 10. Lamprocyclas deflorata  , n. sp.,

×

200

1391

Fig. 11. Lamprocyclas reginæ  , n. sp.,

×

400

1391

Fig. 12. Lamprocyclas reginæ  , n. sp.,

×

800

1391

Two meshes of the network.

Fig. 13. Lamprocyclas maritalis  , n. sp.,

×

400

1390

Fig. 14. Lamprocyclas maritalis  , n. sp.,

×

400

1390

Vertical section.

Fig. 15. Lamprocyclas nuptialis  , n. sp.,

×

400

1390

Fig. 16. Lamprocyclas saltatricis  , n. sp.,

×

400

1391

PLATE 75.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PODOCAMPIDA et PHORMOCAMPIDA.

PLATE 75.

PODOCAMPIDA et P  HORMOCAMPIDA.

Diam.

Page.

Fig. 1.   Artopilium elegans, n. sp. (vel Trictenartus elegans),

×

200

1440

Fig. 2. Artophormis horrida  , n. sp.,

×

300

1458

Fig. 3. Cyrtopera thoracoptera, n. sp. (vel Artopera thoracoptera  ),

×

300

1450

Fig. 4. Stichophæna ærostatica, n. sp. (vel Artophæna ærostatica  ),

×

400

1463

Fig. 5. Cyrtophormis turricula  , n. sp.,

×

300

1463

Fig. 6. Stichopodium dictyopodium  , n. sp.,

×

400

1447

Fig. 7. Artopilium trifenestra, n. sp. (vel Clathropyrgus trifenestra  ),

×

500

1441

Fig. 8. Artopilium stichopterygium  , n. sp.,

×

400

1442

Fig. 9. Stichophormis cornutella  , n. sp.,

×

400

1455

Fig. 10. Cyrtopera laguncula, n. sp. (vel Cyrtolagena laguncula  ),

×

400

1451

Fig. 11. Stichopera pectinata  , n. sp.,

×

500

1449

Fig. 12. Stichophæna ritteriana  , n. sp.,

×

400

1465

PLATE 76.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PHORMOCAMPIDA et LITHOCAMPIDA.

PLATE 76.

PHORMOCAMPIDA et L  ITHOCAMPIDA.

Diam.

Page.

Fig. 1.   Stichocapsa pentacola, n. sp.,

×

400

1517

Fig. 2. Stichocapsa hexacola  , n. sp.,

×

400

1517

Fig. 3. Stichocapsa compacta, n  . sp.,

×

400

1517

Fig. 4. Stichocapsa paniscus  , n. sp.,

×

400

1518

Fig. 5. Artocapsa fusiformis  , n. sp.,

×

400

1519

Fig. 6. Stichophæna nonaria  , n. sp.,

×

200

1466

Fig. 7. Stichophæna novena  , n. sp.,

×

400

1466

Fig. 8. Artocapsa elegans  , n. sp.,

×

400

1520

Fig. 9. Cyrtocapsa chrysalidium  , n. sp.,

×

400

1515

Fig. 10. Artocapsa spinosa  , n. sp.,

×

400

1519

Fig. 11. Spirocampe callispira  , n. sp.,

×

300

1511

Fig. 12. Spirocampe allospira  , n. sp.,

×

400

1511

Fig. 13. Spirocyrtis cornutella  , n. sp.,

×

400

1509

Fig. 14. Spirocyrtis scalaris  , n. sp.,

×

400

1509

Fig. 15. Spirocyrtis merospira  , n. sp.,

×

500

1510

Fig. 16. Spirocyrtis holospira  , n. sp.,

×

400

1509

Fig. 17. Spirocyrtis diplospira  , n. sp.,

×

400

1510

PLATE 77.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PODOCAMPIDA, PHORMOCAMPIDA et LITHOCAMPIDA.

PLATE 77.

PODOCAMPIDA, PHORMOCAMPIDA et L  ITHOCAMPIDA.

Diam.

Page.

Fig. 1.   Lithocampe ovata, n. sp.,

×

500

1504

Fig. 2. Lithocampe urceolata  , n. sp.,

×

400

1507

Fig. 3. Lithocampe diploconus  , n. sp.,

×

400

1505

Fig. 4. Dictyomitra eurythorax  , n. sp.,

×

300

1477

Fig. 5. Eucyrtidium teuscheri  , n. sp.,

×

400

1491

Fig. 6. Lithostrobus cornutus  , n. sp.,

×

400

1474

Fig. 7. Eucyrtidium bütschlii  , n. sp.,

×

400

1492

Fig. 8. Cyrtocapsa compacta  , n. sp.,

×

300

1512

Fig. 9. Stichopilium bicorne  , n. sp.,

×

600

1437

Fig. 10. Artopilium longicorne  , n. sp.,

×

500

1440

Fig. 11. Stichopilium campanulatum  , n. sp.,

×

400

1438

Fig. 12. Artopilium cyrtopterum  , n. sp.,

×

400

1440

Fig. 13. Phormocampe campanula  , n. sp.,

×

400

1456

Fig. 14. Phormocampe eucalyptra  , n. sp.,

×

300

1457

Fig. 15. Cyrtophormis corona  , n. sp.,

×

300

1462

Fig. 16. Phormocampe lamprocyclas  , n. sp.,

×

300

1457

Fig. 17. Cyrtophormis cylindrica  , n. sp.,

×

300

1461

Fig. 18. Cyrtophormis cornuta  , n. sp.,

×

500

1462

PLATE 78.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PHORMOCAMPIDA et LITHOCAMPIDA.

PLATE 78.

PHORMOCAMPIDA et L  ITHOCAMPIDA.

Diam.

Page.

Fig. 1.   Stichocapsa tetracola, n. sp.,

×

600

1515

Fig. 2. Stichocapsa tricincta  , n. sp.,

×

400

1516

Fig. 3. Stichocapsa quadrigata  , n. sp.,

×

400

1515

Fig. 4. Stichocapsa monstrosa  , n. sp.,

×

400

1517

Fig. 5. Cyrtocapsa tetrapera  , n. sp.,

×

300

1512

Fig. 6. Cyrtocapsa diploconus  , n. sp.,

×

300

1513

Fig. 7. Cyrtocapsa fusulus  , n. sp.,

×

400

1514

Fig. 8. Cyrtocapsa pyrum  , n. sp.,

×

400

1513

Fig. 9. Cyrtocapsa cornuta  , n. sp.,

×

400

1513

Fig. 10. Eusyringium conosiphon  , n. sp.,

×

400

1496

Fig. 11. Eusyringium pachysiphon  , n. sp.,

×

400

1496

Fig. 12. Eusyringium macrosiphon  , n. sp.,

×

400

1497

Fig. 13. Eucyrtidium tricinctum  , n. sp.,

×

400

1494

Fig. 14. Eucyrtidium armatum  , n. sp.,

×

400

1495

Fig. 15. Eucyrtidium ehrenbergii  , n. sp.,

×

300

1495

Fig. 16. Eucyrtidium conostoma  , n. sp.,

×

400

1495

Fig. 17. Cyrtophormis armata  , n. sp.,

×

400

1460

Fig. 18. Cyrtophormis cingulata  , n. sp.,

×

400

1460

PLATE 79.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families PHORMOCAMPIDA et LITHOCAMPIDA.

PLATE 79.

PHORMOCAMPIDA et L  ITHOCAMPIDA.

Diam.

Page.

Fig. 1.   Lithomitra nodosaria, n. sp.,

×

600

1484

Fig. 2. Cyrtophormis tabulata  , n. sp.,

×

400

1166

Fig. 3. Lithomitra eruca  , n. sp.,

×

500

1485

Fig. 4. Lithomitra chrysalis  , n. sp.,

×

300

1485

Fig. 5. Lithomitra infundibulum  , n. sp.,

×

500

1487

Fig. 6. Lithocampe octocola  , n. sp.,

×

400

1508

Fig. 7. Lithocampe hexacola  , n. sp.,

×

400

1507

Fig. 8. Lithocampe heptacola  , n. sp.,

×

400

1508

Fig. 9. Stichophormis novena  , n. sp.,

×

400

1455

Fig. 10. Siphocampe annulosa  , n. sp.,

×

300

1500

Fig. 11. Siphocampe erucosa  , n. sp.,

×

300

1500

Fig. 12. Siphocampe caminosa  , n. sp.,

×

400

1500

Fig. 13. Siphocampe tubulosa  , n. sp.,

×

400

1500

Fig. 14. Siphocampe spiralis  , n. sp.,

×

500

1501

Fig. 15. Lithostrobus seriatus  , n. sp.,

×

400

1474

Fig. 16. Artostrobus articulatus  , n. sp.,

×

400

1483

Fig. 17. Lithostrobus lithobotrys  , n. sp.,

×

400

1475

Fig. 18. Lithostrobus botryocyrtis  , n. sp.,

×

400

1475

Fig. 19. Lithostrobus botryocyrtis  , n. sp.,

×

400

1475

Vertical section through the cephalis.

Fig. 20. Lithostrobus hexagonalis  , n. sp.,

×

400

1475

PLATE 80.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family LITHOCAMPIDA.

PLATE 80.

L  ITHOCAMPIDA.

Diam.

Page.

Fig. 1.   Lithostrobus conulus, n. sp. (vel Cyrtostrobus conulus),

×

400

1472

Fig. 2. Lithostrobus cyrtoceras, n. sp. (vel Cornustrobus cyrtoceras  ),

×

400

1470

Fig. 3. Stichocorys huschkei  , n. sp.,

×

400

1480

Fig. 4. Lithostrobus caloceras, n. sp. (vel Cornustrobus caloceras  ),

×

400

1471

Fig. 5. Stichocorys okenii  , n. sp.,

×

300

1480

Fig. 6. Lithostrobus tetrastichus, n. sp. (vel Conostrobus tetrastichus  ),

×

500

1470

Fig. 7. Stichocorys panderi, n. sp.  ,

×

400

1479

Fig. 8. Stichocorys baerii  , n. sp.,

×

400

1479

Fig. 9. Eucyrtidium cienkowskii  , n. sp.,

×

400

1493

Fig. 10. Stichocorys wolffii  , n. sp.,

×

400

1479

Fig. 11. Eucyrtidium hexagonatum  , n. sp.,

×

600

1489

Fig. 12. Eucyrtidium hertwigii  , n. sp.,

×

400

1491

Fig. 13. Eusyringium cannostoma  , n. sp.,

×

600

1499

Fig. 14. Eusyringium siphonostoma  , n. sp.,

×

500

1499

Fig. 15. Lithostrobus hexastichus, n. sp. (vel Artostrobus hexastichus  ),

×

500

1470

PLATE 81.

Legion NASSELLARIA.

Order STEPHOIDEA.

Family STEPHANIDA.

PLATE 81.

S  TEPHANIDA.

Diam.

Page.

Fig. 1.   Archicircus primordialis, n. sp.,

×

200

942

Fig. 2. Zygocircus polygonus  , n. sp.,

×

200

947

Fig. 3. Zygocircus triquetrus  , n. sp.,

×

300

947

Fig. 4. Archicircus hexacanthus  , n. sp.,

×

300

942

Fig. 5. Zygocircus acacia  , n. sp.,

×

300

947

Fig. 6. Lithocircus crambessa  , n. sp.,

×

400

944

Fig. 7. Archicircus rhombus  , n. sp.,

×

300

942

Fig. 8. Zygocircus pentagonus  , n. sp.,

×

300

946

Fig. 9. Lithocircus quadricornis  , n. sp.,

×

300

944

Fig. 10. Dendrocircus arborescens  , n. sp.,

×

300

949

Fig. 11. Dendrocircus dodecancistra  , n. sp.,

×

300

949

Fig. 12. Archicircus sexangularis  , n. sp.,

×

300

943

Fig. 13. Dendrocircus elegans  , n. sp.,

×

400

949

Fig. 14. Dendrocircus stalactites  , n. sp.,

×

400

950

Fig. 15. Lithocircus decimalis  , n. sp.,

×

300

944

Fig. 16. Lithocircus magnificus  , n. sp.,

×

400

945

The ovate, red-coloured central capsule exhibits in the lower half the striate podoconus, in the upper half four oil-globules, and at the left the kidney-shaped nucleus. Numerous "yellow cells" or xanthellæ are scattered in the calymma, which contains brown pigment around the porochora. Numerous pseudopodia radiate from the supporting spines of the sagittal ring.

Fig. 17. Lithocircus hexablastus  , n. sp.,

×

400

944

PLATE 82.

Legion NASSELLARIA.

Order STEPHOIDEA.

Families CORONIDA et TYMPANIDA.

PLATE 82.

CORONIDA et T  YMPANIDA.

Diam.

Page.

Fig. 1.   Coronidium cervicorne, n. sp.,

×

400

974

Seen from the apical pole.

Fig. 2. Coronidium acacia  , n. sp.,

×

300

975

Fig. 3. Eucoronis angulata  , n. sp.,

×

400

978

Half from the apical, half from the dorsal side.

Fig. 4. Eucoronis challengeri  , n. sp.,

×

400

978

The red central capsule encloses a large ovate nucleus and is surrounded by numerous xanthellæ.

Fig. 5. Eucoronis nephrospyris  , n. sp.,

×

300

977

Fig. 6. Eucoronis perspicillum  , n. sp.,

×

300

977

Fig. 7. Coronidium dyostephanus  , n. sp.,

×

400

974

Seen from the apical pole.

Fig. 8. Coronidium diadema  , n. sp.,

×

300

974

Fig. 9. Acrocubus octopylus  , n. sp.,

×

300

993

Fig. 10. Parastephanus asymmetricus  , n. sp.,

×

400

1008

Fig. 11. Eutympanium militare  , n. sp.,

×

400

1014

Oblique view.

Fig. 12. Lithocubus astragalus  , n. sp.,

×

400

1012

Fig. 13. Trissocircus globus  , n. sp.,

×

400

986

PLATE 83.

Legion NASSELLARIA.

Orders STEPHOIDEA ET SPYROIDEA.

Families STEPHANIDA, SEMANTIDA, CORONIDA, TYMPANIDA, ZYGOSPYRIDA, PHORMOSPYRIDA et ANDROSPYRIDA.

PLATE 83.

STEPHANIDA, SEMANTIDA, CORONIDA, TYMPANIDA, ZYGOSPYRIDA, PHORMOSPYRIDA et A  NDROSPYRIDA.

Diam.

Page.

Fig. 1.   Lithotympanum tuberosum, n. sp.,

×

400

1006

Fig. 2. Eutympanium musicantum  , n. sp.,

×

300

1013

Fig. 3. Semantis distephanus  , n. sp.,

×

300

957

Fig. 4. Sphærospyris globosa  , n. sp.,

×

300

1100

Fig. 5. Trissocyclus stauroporus  , n. sp.,

×

200

987

Fig. 6. Trissocircus binellipsis  , n. sp.,

×

300

985

Fig. 7. Podocoronis toxarium  , n. sp.,

×

200

980

Fig. 8. Androspyris anthropiscus  , n. sp.,

×

400

1093

Fig. 9. Cortina tripus  , n. sp.,

×

200

950

Fig. 10. Cephalospyris cancellata  , n. sp.,

×

400

1035

Fig. 11. Tripospyris furcata  , n. sp.,

×

400

1029

Fig. 12. Petalospyris novena  , n. sp.,

×

400

1062

Basal view of the shell, with the cortinar septum.

Fig. 13. Rhodospyris tricornis  , n. sp.,

×

400

1089

Fig. 14. Desmospyris mammillata  , n. sp.,

×

400

1089

Fig. 15. Phormospyris tricostata  , n. sp.,

×

400

1087

Fig. 16. Zygospyris equus  , n. sp.,

×

300

1056

Fig. 17. Archicircus monostephus  , n. sp.,

×

300

941

Fig. 18. Dipospyris cubus  , n. sp.,

×

400

1036

Basal view of the shell, with the cortinar septum.

Fig. 19. Gamospyris circulus  , n. sp.,

×

200

1042

Fig. 20. Stephanospyris excellens  , n. sp.,

×

300

1043

PLATE 84.

Legion NASSELLARIA.

Order SPYROIDEA.

Family ZYGOSPYRIDA.

PLATE 84.

Z  YGOSPYRIDA.

Diam.

Page.

Fig. 1.   Tripospyris capitata, n. sp.,

×

400

1028

Seen from the dorsal side.

Fig. 2. Tripospyris semantis,   n. sp.,

×

300

1026

Seen from the ventral side.

Fig. 3. Tripospyris semantis,   n. sp.,

×

300

1026

Seen from the lateral side.

Fig. 4. Tripospyris eucolpos,   n. sp.,

×

300

1029

Seen from the dorsal side.

Fig. 5. Tripospyris diomma,   n. sp.,

×

400

1026

Half from the right side, half from the basal side.

Fig. 6. Tripospyris cortiniscus,   n. sp.,

×

500

1026

Half from the dorsal, half from the right side.

Fig. 6a.   Frontal section through the ring,

×

500

Fig. 7. Tripospyris conifera,   n. sp.,

×

400

1027

Seen from the dorsal side.

Fig. 7a.   From the basal side,

×

200

Fig. 8. Tripospyris euscenium, n. sp. (vel Euscenium tripospyris  ),

×

400

1147

Seen from the frontal or ventral side.

Fig. 9. Triceraspyris gazella,   n. sp.,

×

500

1031

Seen from the ventral side.

Fig. 10. Triceraspyris damæcornis, n. sp., (vel Elaphospyris damæcornis?); compare p. 1032  ,

×

400

1057

Seen from the apical (or basal?) side.

Fig. 11. Triceraspyris giraffa,   n. sp.,

×

400

1031

Seen from the frontal side.

Fig. 12. Triceraspyris corallorrhiza,   n. sp.,

×

400

1031

Seen from the frontal side.

Fig. 13. Tristylospyris scaphipes,   n. sp.,

×

400

1033

Seen from the dorsal side.

Fig. 14. Tristylospyris palmipes,   n. sp.,

×

400

1033

Seen from the dorsal side.

Fig. 15. Tristylospyris clavipes,   n. sp.,

×

400

1033

Seen from the basal side.

PLATE 85.

Legion NASSELLARIA.

Order SPYROIDEA.

Family ZYGOSPYRIDA.

PLATE 85.

Z  YGOSPYRIDA.

Diam.

Page.

Fig. 1.   Dipospyris forcipata, n. sp.,

×

300

1037

Fig. 2. Dipospyris irregularis  , n. sp.,

×

200

1037

Fig. 3. Dipospyris chelifer  , n. sp.,

×

300

1037

Fig. 4. Dorcadospyris dinoceras  , n. sp.,

×

400

1041

Fig. 5. Dorcadospyris antilope  , n. sp.,

×

200

1041

Fig. 6. Dorcadospyris dentata  , n. sp.,

×

200

1040

Fig. 7. Dorcadospyris decussata  , n. sp.,

×

200

1041

Fig. 8. Dendrospyris polyrrhiza  , n. sp.,

×

200

1039

Fig. 9. Dendrospyris arborescens  , n. sp.,

×

400

1040

Fig. 10. Stephanospyris cordata  , n. sp.,

×

200

1042

Fig. 11. Stephanospyris verticillata  , n. sp.,

×

300

1043

PLATE 86.

Legion NASSELLARIA.

Order SPYROIDEA.

Family ZYGOSPYRIDA.

PLATE 86.

Z  YGOSPYRIDA.

Diam.

Page.

Fig. 1.   Ceratospyris polygona, n. sp.,

×

400

1066

Fig. 2. Ceratospyris strasburgeri  , n. sp.,

×

400

1067

Fig. 3. Ceratospyris allmersii  , n. sp.,

×

400

1067

Fig. 4. Ceratospyris mulderi  , n. sp.,

×

400

1067

Fig. 5. Anthospyris aculeata  , n. sp.,

×

400

1065

Fig. 6. Petalospyris dictyocubus  , n. sp.,

×

400

1063

Fig. 7. Liriospyris hexapoda  , n. sp.,

×

400

1049

Fig. 8. Aegospyris caprina  , n. sp.,

×

400

1054

Fig. 9. Ceratospyris preyeri  , n. sp.,

×

400

1068

Fig. 10. Ceratospyris krausei  , n. sp.,

×

400

1068

Fig. 11. Ceratospyris carnerii  , n. sp.,

×

400

1069

Fig. 12. Elaphospyris alcicornis  , n. sp.,

×

400

1057

Fig. 13. Elaphospyris cervicornis  , n. sp.,

×

400

1057

PLATE 87.

Legion NASSELLARIA.

Order SPYROIDEA.

Families ZYGOSPYRIDA et THOLOSPYRIDA.

PLATE 87.

ZYGOSPYRIDA et T  HOLOSPYRIDA.

Diam.

Page.

Fig. 1.   Gorgospyris medusa, n. sp.,

×

300

1070

Fig. 2. Gorgospyris medusetta  , n. sp.,

×

300

1070

From the basal side, with the nine cortinar pores.

Fig. 3. Gorgospyris polypus  , n. sp.,

×

300

1070

Fig. 4. Gorgospyris schizopodia  , n. sp.,

×

400

1071

Fig. 5. Gorgospyris eurycolpos  , n. sp.,

×

300

1071

Fig. 6. Gorgospyris liriope  , n. sp.,

×

300

1071

Fig. 7. Tiarospyris pervia  , n. sp.,

×

400

1082

Fig. 8. Tiarospyris amphora  , n. sp.,

×

400

1083

Fig. 9. Tiarospyris mitra  , n. sp.,

×

400

1082

From the ventral side.

Fig. 10. Tiarospyris mitra  , n. sp.,

×

400

1082

From the dorsal side.

Fig. 11. Petalospyris octopus  , n. sp.,

×

400

1061

Fig. 12. Petalospyris dinoceras  , n. sp.,

×

400

1063

Fig. 13. Petalospyris lobata  , n. sp.,

×

300

1064

Fig. 14. Petalospyris triomma  , n. sp.,

×

200

1060

From the basal side, with the six cortinar pores.

Fig. 15. Anthospyris spathulata  , n. sp.,

×

400

1065

Fig. 16. Anthospyris mammillata  , n. sp.,

×

400

1064

Fig. 17. Anthospyris tragopogon  , n. sp.,

×

300

1066

Fig. 18. Anthospyris doronicum  , n. sp.,

×

300

1065

Fig. 19. Ceratospyris calorrhiza  , n. sp.,

×

400

1069

PLATE 88.

Legion NASSELLARIA.

Orders STEPHOIDEA ET SPYROIDEA.

Families TYMPANIDA et ANDROSPYRIDA.

PLATE 88.

TYMPANIDA et A  NDROSPYRIDA.

Diam.

Page.

Fig. 1.   Toxarium circospyris, n. sp.,

×

400

995

Fig. 2. Amphispyris sternalis  , n. sp.,

×

300

1096

Fig. 3. Amphispyris costata  , n. sp.,

×

300

1097

Fig. 4. Amphispyris thorax  , n. sp.,

×

300

1096

Fig. 5. Amphispyris subquadrata  , n. sp.,

×

300

1097

Fig. 6. Amphispyris quadrigemina  , n. sp.,

×

300

1096

Fig. 7. Amphispyris toxarium  , n. sp.,

×

300

1097

Fig. 8. Tricolospyris baconiana  , n. sp.,

×

400

1098

Fig. 9. Tricolospyris leibnitziana  , n. sp.,

×

600

1098

Fig. 10. Tricolospyris kantiana  , n. sp.,

×

600

1098

Fig. 11. Tricolospyris newtoniana  , n. sp.,

×

400

1098

Fig. 12. Perispyris lentellipsis  , n. sp.,

×

400

1099

Fig. 13. Perispyris bicincta  , n. sp.,

×

400

1099

PLATE 89.

Legion NASSELLARIA.

Order SPYROIDEA.

Families ZYGOSPYRIDA, THOLOSPYRIDA et ANDROSPYRIDA.

PLATE 89.

ZYGOSPYRIDA, THOLOSPYRIDA et A  NDROSPYRIDA.

Diam.

Page.

Fig. 1.   Tholospyris tripodiscus, n. sp.,

×

400

1079

Ventral side.

Fig. 2. Tholospyris fenestrata  , n. sp.,

×

400

1079

Dorsal side.

Fig. 3. Tholospyris ramosa  , n. sp.,

×

400

1079

Dorsal side.

Fig. 4. Tholospyris cupola  , n. sp.,

×

400

1080

Ventral side.

Fig. 5. Therospyris leo  , n. sp.,

×

400

1059

Ventral side.

Fig. 6. Therospyris felis  , n. sp.,

×

400

1059

Dorsal side.

Fig. 7. Dictyospyris stalactites  , n. sp.,

×

400

1073

Ventral side.

Fig. 8. Dictyospyris anthophora  , n. sp.,

×

400

1076

Ventral side.

Fig. 9. Dictyospyris mammillaris  , n. sp.,

×

400

1076

Ventral side.

Fig. 10. Dictyospyris mammillaris  , n. sp.,

×

400

1076

Frontal section.

Fig. 11. Dictyospyris distoma  , n. sp.,

×

300

1073

Ventral side.

Fig. 12. Dictyospyris distoma  , n. sp.,

×

300

1073

Frontal section.

Fig. 13. Lamprospyris darwinii  , n. sp.,

×

300

1094

Ventral side.

Fig. 14. Lamprospyris huxleyi  , n. sp.,

×

300

1094

Ventral side.

PLATE 90.

Legion NASSELLARIA.

Order SPYROIDEA.

Family ANDROSPYRIDA.

PLATE 90.

A  NDROSPYRIDA.

Diam.

Page.

Fig. 1.   Nephrospyris paradictyum, n. sp. (vel Paradictyum paradoxum),

×

250

1102

The complete shell, seen from the frontal side.

Fig. 2. Nephrospyris paradictyum  , n. sp.,

×

250

1102

The incomplete shell, seen from the dorsal side.

Fig. 3. Nephrospyris paradictyum  , n. sp.,

×

500

1102

The sagittal ring, isolated, from the dorsal side; more enlarged.

Fig. 4. Nephrospyris paradictyum  , n. sp.,

×

120

1102

Vertical section through half the shell, exhibiting the thickened margin with the included symbiontes (compare page 1101  ).

Fig. 5. Nephrospyris paradictyum  , n. sp.,

×

200

1102

Oblique marginal view of the shell.

Fig. 6. Nephrospyris paradictyum  , n. sp.,

×

250

1102

Marginal view of a young specimen, with open fissure between the two parallel net-plates.

Fig. 7. Nephrospyris paradictyum  , n. sp.,

×

250

1102

The soft body alone, without the skeleton. The bilobed central capsule exhibits a central transverse nucleus, and on each lobe a stratum of oil-globules. The kidney-shaped calymma contains on the margin numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page 1102  ).

Fig. 8. Nephrospyris paradictyum  , n. sp.,

×

500

1102

Three single unicellular symbiontes (Zooxanthellæ  ?).

Fig. 9. Nephrospyris renilla, n. sp. (vel Nephrodictyum renilla  ),

×

250

1101

The bilobed central capsule is enclosed by the discoidal shell and in the middle constricted by the sagittal ring; it contains a transverse nucleus. The kidney-shaped calymma contains in the peripheral part numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page 1101  ).

Fig. 10. Nephrospyris renilla  , n. sp.,

×

250

1101

A singular abnormality (occurring not rarely), in which the reduced skeleton has nearly disappeared and the sagittal ring alone remained. The kidney-shaped calymma, however, which encloses numerous symbiontes, has preserved the form of the skeleton. The bilobed central capsule is similar to that in figs. 7 and 9, and is encircled by the thickened sagittal ring.

PLATE 91.

Legion NASSELLARIA.

Orders NASSOIDEA ET PLECTOIDEA.

Families NASSELLIDA, PLAGONIDA et PLECTANIDA.

PLATE 91.

NASSELLIDA, PLAGONIDA et P  LECTANIDA.

Diam.

Page.

Fig. 1.   Cystidium princeps, n. sp.,

×

400

897

Fig. 2. Triplagia primordialis  , n. sp.,

×

100

909

Fig. 3. Tetraplagia phænaxonia  , n. sp.,

×

200

911

Fig. 4. Plagoniscus tripodiscus  , n. sp.,

×

200

912

Fig. 5. Plagiocarpa procortina  , n. sp.,

×

300

914

Fig. 6. Plagonium sphærozoum  , n. sp.,

×

300

916

Fig. 7. Triplecta triactis  , n. sp.,

×

300

922

Fig. 8. Tetraplecta pinigera  , n. sp.,

×

300

924

Fig. 9. Plectaniscus cortiniscus  , n. sp.,

×

300

925

Fig. 10. Periplecta cortina  , n. sp.,

×

400

926

Fig. 11. Plectanium trigeminum  , n. sp.,

×

400

928

Fig. 12. Polyplecta heptacantha  , n. sp.,

×

300

929

PLATE 92.

Legion NASSELLARIA.

Order STEPHOIDEA.

Families STEPHANIDA et SEMANTIDA.

PLATE 92.

STEPHANIDA et S  EMANTIDA.

Diam.

Page.

Fig. 1.   Semantis sigillum, n. sp.,

×

400

957

Fig. 2. Semantis biforis  , n. sp.,

×

300

956

Fig. 3. Semantrum tetrastoma  , n. sp.,

×

300

959

Fig. 4. Semantrum signarium  , n. sp.,

×

400

960

Fig. 5. Semantrum quadrifore  , n. sp.,

×

400

958

Fig. 6. Semantidium hexastoma  , n. sp.,

×

400

960

Fig. 7. Semantidium signatorium  , n. sp.,

×

400

961

Fig. 8. Clathrocircus stapedius  , n. sp.,

×

400

962

Fig. 9. Clathrocircus dictyospyris  , n. sp.,

×

300

963

Fig. 10. Clathrocircus multiforis  , n. sp.,

×

300

963

Fig. 11. Cortiniscus tripodiscus  , n. sp.,

×

400

963

Fig. 12. Cortiniscus typicus  , n. sp.,

×

300

964

Fig. 13. Cortiniscus dipylaris  , n. sp.,

×

400

964

Fig. 14. Stephaniscus quadrifurcus  , n. sp.,

×

300

965

Fig. 15. Stephaniscus quadrigatus  , n. sp.,

×

400

965

Fig. 16. Semantiscus hexapodius  , n. sp.,

×

400

966

Fig. 17. Semantiscus hexapylus  , n. sp.,

×

400

967

Fig. 18. Semantiscus hexaspyris  , n. sp.,

×

400

966

Fig. 19. Lithocircus tarandus  , n. sp.,

×

400

944

Fig. 20. Stephanium quadrupes  , n. sp.,

×

200

952

Fig. 21. Cortina cervina  , n. sp.,

×

300

952

PLATE 93.

Legion NASSELLARIA.

Order STEPHOIDEA.

Families CORONIDA et TYMPANIDA..

PLATE 93.

CORONIDA et T  YMPANIDA..

Diam.

Page.

Fig. 1.   Zygostephanus dissocircus, n. sp.,

×

300

971

Fig. 2. Zygostephanus bicornis  , n. sp.,

×

300

972

Fig. 3. Zygostephanium dizonium  , n. sp.,

×

300

973

Fig. 4. Zygostephanium paradictyum  , n. sp.,

×

300

973

Fig. 5. Acanthodesmia corona  , n. sp.,

×

400

976

Fig. 6. Plectocoronis pentacantha  , n. sp.,

×

300

979

Fig. 7. Tristephanium quadricorne  , n. sp.,

×

300

984

Fig. 8. Tristephanium octopyle  , n. sp.,

×

300

983

Fig. 9. Tristephanium dimensivum  , n. sp.,

×

400

983

Fig. 10. Trissocircus lentellipsis  , n. sp.,

×

300

985

Fig. 11. Trissocircus octostoma  , n. sp.,

×

300

986

Fig. 12. Trissocyclus sphæridium  , n. sp.,

×

300

987

Fig. 13. Tricyclidium dictyospyris  , n. sp.,

×

300

984

Fig. 14. Protympanium amphipodium  , n. sp.,

×

300

992

Fig. 15. Acrocubus arcuatus  , n. sp.,

×

300

993

Fig. 16. Acrocubus cortina  , n. sp.,

×

300

994

Fig. 17. Acrocubus amphithectus  , n. sp.,

×

300

995

Fig. 18. Toxarium thorax  , n. sp.,

×

300

996

Fig. 19. Toxarium cordatum  , n. sp.,

×

300

996

Fig. 20. Toxarium bifurcum  , n. sp.,

×

300

997

Fig. 21. Parastephanus quadrispinus  , n. sp.,

×

300

1008

Fig. 22. Prismatium tripodium  , n. sp.,

×

300

1009

PLATE 94.

Legion NASSELLARIA.

Order STEPHOIDEA.

Family TYMPANIDA.

PLATE 94.

T  YMPANIDA.

Diam.

Page.

Fig. 1.   Tympanidium foliosum, n. sp.,

×

400

1003

Fig. 2. Octotympanum cervicorne  , n. sp.,

×

400

1000

Fig. 3. Octotympanum octonarium  , n. sp.,

×

400

1000

Fig. 4. Tympaniscus quadrupes  , n. sp.,

×

400

1002

Fig. 5. Tympaniscus dipodiscus  , n. sp.,

×

400

1001

Frontal view.

Fig. 6. Tympaniscus dipodiscus  , n. sp.,

×

400

1001

Lateral view.

Fig. 7. Tympaniscus tripodiscus  , n. sp.,

×

400

1002

Frontal view.

Fig. 8. Microcubus zonarius  , n. sp.,

×

300

998

Fig. 9. Microcubus dodecastoma  , n. sp.,

×

300

998

Fig. 10. Microcubus amphispyris  , n. sp.,

×

400

999

Fig. 11. Pseudocubus obeliscus  , n. sp.,

×

400

1010

Fig. 12. Pseudocubus hexapylus  , n. sp.,

×

300

1011

Fig. 13. Lithocubus geometricus  , n. sp.,

×

200

1011

Fig. 14. Paratympanum octostylum  , n. sp.,

×

400

1005

Fig. 15. Dystympanium dictyocha  , n. sp.,

×

400

1007

Lateral view.

Fig. 16. Dystympanium dictyocha  , n. sp.,

×

400

1007

Apical view.

Fig. 17. Circotympanum octogonium  , n. sp.,

×

500

1013

Fig. 18. Tympanidium binoctonum  , n. sp.,

×

400

1004

PLATE 95.

Legion NASSELLARIA.

Order SPYROIDEA.

Families ZYGOSPYRIDA, THOLOSPYRIDA, PHORMOSPYRIDA et ANDROSPYRIDA.

PLATE 95.

ZYGOSPYRIDA, THOLOSPYRIDA, PHORMOSPYRIDA et A  NDROSPYRIDA.

Diam.

Page.

Fig. 1.   Tripospyris cortina, n. sp.,

×

300

1025

Basal view.

Fig. 2. Tripospyris triplecta  , n. sp.,

×

300

1027

Basal view.

Fig. 3. Tripospyris semantrum, n  . sp.,

×

400

1027

Basal view.

Fig. 4. Tripospyris hexomma  , n. sp.,

×

300

1028

Basal view.

Fig. 5. Brachiospyris diacantha  , n. sp.,

×

400

1038

Basal view.

Fig. 6. Tetraspyris stephanium  , n. sp.,

×

300

1044

Basal view.

Fig. 7. Liriospyris amphithecta  , n. sp.,

×

300

1050

Basal view.

Fig. 8. Hexaspyris hexacorethra  , n. sp.,

×

300

1048

Frontal view.

Fig. 9. Clathrospyris pyramidalis  , n. sp.,

×

500

1052

Frontal view.

Fig. 10. Aegospyris aegoceras  , n. sp.,

×

400

1054

Frontal view.

Fig. 11. Pentaspyris pentacantha  , n. sp.,

×

400

1054

Dorsal view.

Fig. 12. Taurospyris cervina  , n. sp.,

×

400

1058

Frontal view.

Fig. 13. Circospyris nucula  , n. sp.,

×

300

1072

Dorsal view.

Fig. 14. Lophospyris dipodiscus  , n. sp.,

×

400

1080

Frontal view.

Fig. 15. Sepalospyris platyphylla  , n. sp.,

×

400

1081

Dorsal view.

Fig. 16. Pylospyris canariensis  , n. sp.,

×

400

1084

Frontal view.

Fig. 17. Acrospyris clathrocanium  , n. sp.,

×

300

1085

Dorsal view.

Fig. 18. Phormospyris tridentata  , n. sp.,

×

400

1087

Frontal view.

Fig. 19. Patagospyris anthocyrtis  , n. sp.,

×

500

1088

Dorsal view.

Fig. 20. Androspyris pithecus  , n. sp.,

×

400

1093

Lateral view.

PLATE 96.

Legion NASSELLARIA.

Order BOTRYODEA.

Families CANNOBOTRYIDA, LITHOBOTRYIDA et PYLOBOTRYIDA.

PLATE 96.

CANNOBOTRYIDA, LITHOBOTRYIDA et   PYLOBOTRYIDA

Diam.

Page.

Fig. 1.   Botryopera cyrtoloba, n. sp.,

×

500

1108

Apical view.

Fig. 2. Botryopera quinqueloba  , n. sp.,

×

500

1109

Half lateral, half frontal view.

Fig. 3. Cannobotrys tricanna  , n. sp.,

×

400

1110

View half from the frontal, half from the left side.

Fig. 4. Cannobotrys cortina  , n. sp.,

×

400

1110

Basal view.

Fig. 5. Botryopyle inclusa  , n. sp.,

×

500

1113

Frontal view.

Fig. 6. Botryopyle dictyocephalus  , n. sp.,

×

500

1113

Lateral view (right side).

Fig. 7. Botryopyle sethocorys  , n. sp.,

×

400

1112

Frontal view.

Fig. 8. Acrobotrys trisolenia  , n. sp.,

×

400

1115

Lateral view (right side).

Fig. 9. Acrobotrys acuminata  , n. sp.,

×

400

1115

Lateral view (right side).

Fig. 10. Acrobotrys disolenia  , n. sp.,

×

400

1114

Lateral view (left side).

Fig. 11. Acrobotrys auriculata  , n. sp.,

×

500

1115

Lateral view (right side).

Fig. 12. Botryocella multicellaris  , n. sp.,

×

500

1117

Lateral view (left side).

Fig. 13. Botryocella quadricellaris  , n. sp.,

×

400

1117

Lateral view (left side).

Fig. 14. Botryocella quadrigemina  , n. sp.,

×

400

1117

Collar septum, between cephalis and thorax.

Fig. 15. Lithobotrys sphærothorax  , n. sp.,

×

500

1119

Lateral view (right side).

Fig. 16. Lithobotrys mascula  , n. sp.,

×

500

1119

Frontal view.

Fig. 17. Lithobotrys orchidea  , n. sp.,

×

500

1119

Frontal view.

Fig. 18. Botryocyrtis cerebellum  , n. sp.,

×

400

1121

Apical view.

Fig. 19. Botryocyrtis theocampe  , n. sp.,

×

500

1121

Lateral view (left side).

Fig. 20. Pylobotrys fontinalis  , n. sp.,

×

400

1122

Apical view.

Fig. 21. Pylobotrys putealis  , n. sp.,

×

500

1121

Lateral view (right side).

Fig. 22. Pylobotrys cerebralis  , n. sp.,

×

500

1122

Dorsal view.

Fig. 23. Botryocampe rotalia  , n. sp.,

×

400

1123

Collar septum.

Fig. 24. Botryocampe camerata  , n. sp.,

×

500

1124

Lateral view (left side).

Fig. 25. Phormobotrys cannothalamia  , n. sp.,

×

400

1125

Lateral view (right side).

Fig. 26. Phormobotrys trithalamia  , n. sp.,

×

500

1124

Frontal section. The dorsal wall is visible, in the cephalis the cruciform frontal septum.

Fig. 27. Phormobotrys pentathalamia  , n. sp.,

×

400

1124

Lateral view (left side).

Fig. 28. Cephalospyris triangulata  , n. sp.,

×

400

1035

The central capsule encloses numerous spherical concrements.

PLATE 97.

Legion NASSELLARIA.

Orders STEPHOIDEA ET CYRTOIDEA.

Families STEPHANIDA, CORONIDA, TRIPOCALPIDA, PHÆNOCALPIDA, TRIPOCYRTIDA, PODOCYRTIDA et PODOCAMPIDA.

PLATE 97.

STEPHANIDA, CORONIDA, TRIPOCALPIDA, PHÆNOCALPIDA, TRIPOCYRTIDA, PODOCYRTIDA et P  ODOCAMPIDA.

Diam.

Page.

Fig. 1.   Cortina typus, n. sp.,

×

300

951

View from the right side. The upper part of the central capsule includes the nucleus, the lower part the podoconus, besides some oil-globules. The two pectoral feet are partly broken off.

Fig. 2. Podocoronis cortiniscus  , n. sp.,

×

400

981

View from the right anterior side.

Fig. 3. Tripocalpis cortinaris  , n. sp.,

×

400

1137

Fig. 4. Phænocalpis petalospyris  , n. sp.,

×

400

1173

Lateral view (inverted).

Fig. 5. Haliphormis lagena  , n. sp.,

×

200

1167

Fig. 6. Halicapsa lithapium  , n. sp.,

×

300

1190

Basal view.

Fig. 7. Peridium alatum  , n. sp.,

×

300

1155

Basal view.

Fig. 8. Sethopilium orthopus  , n. sp.,

×

300

1202

Basal view.

Fig. 9. Sethopilium macropus  , n. sp.,

×

400

1203

Fig. 10. Amphiplecta acrostoma  , n. sp.,

×

400

1223

Fig. 11. Sethopera tricostata  , n. sp.,

×

400

1232

Fig. 12. Acanthocorys macroceras  , n. sp.,

×

200

1264

Fig. 13. Sethophæna hexaptera  , n. sp.,

×

400

1286

Fig. 14. Theopodium tricostatum  , n. sp.,

×

400

1328

Fig. 15. Podocampe trictenota  , n. sp.,

×

500

1446

PLATE 98.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families TRIPOCALPIDA et PHÆNOCALPIDA.

PLATE 98.

TRIPOCALPIDA et P  HÆNOCALPIDA.

Diam.

Page.

Fig. 1.   Euscenium plectaniscus, n. sp.,

×

300

1146

Half frontal, half basal view.

Fig. 2. Cladoscenium pectinatum  , n. sp.,

×

400

1150

Shell opened by a vertical section.

Fig. 3. Archiscenium cyclopterum  , n. sp.,

×

400

1151

View from the dorsal side.

Fig. 4. Pteroscenium arcuatum  , n. sp.,

×

400

1152

The central capsule contains a large spherical nucleus with a nucleolus.

Fig. 5. Archipera cortiniscus  , n. sp.,

×

400

1155

Fig. 6. Archibursa tripodiscus  , n. sp.,

×

400

1157

Basal view.

Fig. 7. Archipilium orthopterum  , n. sp.,

×

400

1139

Fig. 8. Tripilidium costatum  , n. sp.,

×

300

1141

Fig. 8a  . Central capsule in the upper part of the shell,

Fig. 8b  . Cortinar septum,

Fig. 9. Phænoscenium hexapodium  , n. sp.,

×

300

1175

Fig. 10. Archiphæna gorgospyris  , n. sp.,

×

300

1178

Fig. 10a  . Cortinar septum with four collar pores,

×

300

Fig. 11. Archiphormis urceolata  , n. sp.,

×

300

1168

Fig. 12. Halicalyptra petalospyris  , n. sp.,

×

400

1169

Fig. 13. Arachnocalpis ellipsoides  , n. sp.,

×

300

1172

The central capsule is filled up by clear vacuoles and exhibits in the upper half the ellipsoidal nucleus and four oil-globules, in the lower half the slender striated podoconus.

Fig. 13a  . A piece of the network, more enlarged,

×

900

PLATE 99.

Legion PHÆODARIA.

Order PHÆOGROMIA.

Family CHALLENGERIDA.

PLATE 99.

C  HALLENGERIDA.

Diam.

Page.

(The central capsule is coloured red and the phæodium green in Figs. 1, 6, 10, 14-17, 20).

Fig. 1. Challengeria murrayi  , n. sp.,

×

50

1653

From the dorsal side. Numerous streams of sarcode arise from the central capsule and pierce the calymma inside the shell.

Fig. 2. Challengeria wildi  , n. sp.,

×

400

1653

The peristome from the left side.

Fig. 3. Challengeria bromleyi  , n. sp.,

×

400

1652

From the dorsal side.

Fig. 4. Challengeria sloggettii  , John Murray

×

150

1649

The ventral corner broken off. From the left side.

Fig. 4a  . Vertical section through the shell-wall.

Fig. 5. Challengeria tritonis  , n. sp.,

×

150

1649

Fig. 6. Challengeron diodon  , n. sp.,

×

400

1654

From the dorsal side. The shell contains two central capsules.

Fig. 7. Challengeron pearceyi  , n. sp.,

×

300

1654

From the dorsal side.

Fig. 8. Challengeron richardsii  , n. sp.,

×

100

1655

From the oral margin

Fig. 9. Challengeron fergusoni  , n. sp.,

×

100

1656

From the right side.

Fig. 10. Challengeron triangulum  , n. sp.,

×

200

1656

From the right side.

Fig. 11. Challengeron crosbiei  , n. sp.,

×

300

1657

From the ventral side.

Fig. 12. Challengeron buchanani  , n. sp.,

×

300

1657

From the right side.

Fig. 13. Challengeron willemoesii  , n. sp.,

×

400

1659

From the ventral side.

Fig. 14. Challengeron moseleyi  , n. sp.,

×

300

1658

From the right side.

Fig. 15. Challengeron wyvillei  , n. sp.,

×

300

1660

From the left side.

Fig. 16. Porcupinia cordiformis  , n. sp.,

×

200

1663

From the right side.

Fig. 17. Pharyngella gastræa  , n. sp.,

×

150

1662

Fig. 18. Pharyngella gastrula  , n. sp.,

×

150

1662

Fig. 19. Entocannula infundibulum  , n. sp.,

×

100

1661

Fig. 20. Entocannula hirsuta  , n. sp.,

×

150

1661

Fig. 21. Lithogromia diatomacea  , n. sp.,

×

400

1647

A piece of the shell with diatomaceous structure.

Fig. 21a  . Vertical section through the shell-wall.

Fig. 22. Lithogromia silicea  , n. sp.,

×

150

1647

PLATE 100.

Legion PHÆODARIA.

Order PHÆOGROMIA.

Family TUSCARORIDA.

PLATE 100.

T  USCARORIDA.

Diam.

Page.

Fig. 1.   Tuscarora bisternaria, John Murray,

×

30

1706

View from the dorsal side.

Fig. 1a  . View from the mouth pole

×

25

Fig. 2. Tuscarora murrayi  , n. sp.,

×

30

1706

View from the dorsal side. The central capsule (in the aboral half), and the phæodium (in the middle of the shell-cavity) are visible. A fine network of pseudopodia pierces the calymma, which fills up the shell-cavity.

Fig. 3. Tuscarora wyvillei  , n. sp.,

×

30

1707

View from the dorsal side.

Fig. 3a  . Base of a tooth,

×

100

Fig. 3b  . Transverse section through the base of a tooth.

Fig. 3c  . Base of a foot.

Fig. 4. Tuscarora tetrahedra  , John Murray,

×

15

1707

View from the dorsal side.

Fig. 4a  . Mouth with the three teeth,

×

50

Fig. 5. Tuscarora tubulosa  , John Murray,

×

40

1707

View from the ventral side.

Fig. 5a  . Mouth with the two teeth,

×

100

Fig. 5b  . Basal part of a single tooth,

×

150

Fig. 6. Tuscarora porcellana  , John Murray,

×

600

1708

Fig. 6a  . A piece of the shell, with five pores.

Fig. 6b  . A piece of a tooth, with the internal axial rod and its transverse branches.

Fig. 7. Tuscarusa medusa  , n. sp.,

×

25

1709

View from the side.

Fig. 7a  . View from the mouth,

×

50

Fig. 8. Tuscaridium lithornithium  , n. sp.,

×

20

1710

View from the ventral side. Central capsule and calymma as in fig. 2.

Fig. 8a  . Peristome from the ventral side.

Fig. 8b  . Peristome from the right side.

PLATE 101.

Legion PHÆODARIA.

Order PHÆOCYSTINA.

Families PHÆODINIDA, CANNORRHAPHIDA et AULACANTHIDA.

PLATE 101.

PHÆODINIDA, CANNORRHAPHIDA et A  ULACANTHIDA.

Diam.

Page.

Fig. 1.   Phæocolla primordialis, n. sp.,

×

300

1544

Central capsule, isolated. The double contoured outer membrane exhibits only one opening, with a radiate operculum and long proboscis. The granular protoplasm encloses clear spherical vacuoles. The sphæroidal nucleus contains irregular amœboid nucleoli.

Fig. 2. Phæodina tripylea  , n. sp.,

×

300

1545

A central capsule in self-division, with two elliptical nuclei. The astropyle is already bisected and has two proboscides.

Fig. 3. Cannorrhaphis spinulosa  , n. sp.,

×

300

1552

A complete specimen with two central capsules, each of which contains two nuclei. The alveolate calymma contains a dark phæodium and is surrounded by tangential tubular needles.

Fig. 4. Cannorrhaphis spinulosa  , n. sp.,

×

300

1552

A single tangential tube.

Fig. 5. Cannorrhaphis spathillata  , n. sp.,

×

300

1552

A single tangential tube.

Fig. 6. Aulactinium actinastrum  , n. sp.,

×

100

1574

A complete specimen, seen in optical meridional section. In the centre the spheroidal central capsule, with its double membrane and three openings (above two lateral parapylæ, below the large astropyle with its radiate operculum). The capsule encloses numerous spherical vacuoles and two hemispherical nuclei, each with numerous nucleoli. The anterior half of the capsule is surrounded by the blackish phæodium. The spherical calymma contains numerous globular alveoles and is pierced by the radial tubes, the proximal ends of which are in contact with the surface of the central capsule (compare Pl. 103  , fig. 1).

Fig. 7. Aulactinium actinastrum  , n. sp.,

×

300

1574

A single radial tube.

Fig. 8. Aulactinium actinelium  , n. sp.,

×

200

1574

A single radial tube.

Fig. 9. Mesocena stellata  , n. sp.,

×

600

1557

A single annular piece of the skeleton

Fig. 10. Dictyocha stapedia  , n. sp.,

×

300

1561

A complete specimen, observed living at Ceylon. In the centre is visible the large, spheroidal, tripylean central capsule, with its three openings, containing a large nucleus with numerous nucleoli. Its oral half is covered with the dark phæodium. The voluminous spherical calymma contains numerous globular alveoles and its surface is covered with scattered, stirrup-shaped pieces of the skeleton. Numerous free pseudopodia arise from the surface.

Fig. 11. Dictyocha stapedia  , n. sp.,

×

800

1561

A single piece of the skeleton, from above.

Fig. 12. Dictyocha stapedia  , n. sp.,

×

800

1561

A twin piece of the skeleton.

Fig. 13. Dictyocha medusa  , n. sp.,

×

800

1560

A single piece of the skeleton, from the side.

Fig. 14. Dictyocha medusa  , n. sp.,

×

800

1560

A single piece of the skeleton, from above.

PLATE 102.

Legion PHÆODARIA.

Order PHÆOCYSTINA.

Family AULACANTHIDA.

PLATE 102.

A  ULACANTHIDA.

Diam.

Page.

Fig. 1.   Auloceros elegans, n. sp.,

×

80

1584

A complete specimen, observed living at Ceylon. In the centre is visible the red central capsule with its three openings, containing a large nucleus of half the size, with numerous nucleoli. The alveolate calymma encloses a green excentric phæodium, is surrounded by a veil of interwoven tangential needles, and forms conical elevations, which enclose the piercing radial tubes. Between these radiate numerous pseudopodia (compare for the single parts, Pl. 103, fig. 1 and Pl. 104  , figs. 1-3, and their explanation).

Figs. 2-6. Auloceros furcosus  , n. sp.,

×

100

1583

Distal ends of different radial tubes, exhibiting the great variability of this species.

Fig. 7. Auloceros trigeminus  , n. sp.,

×

300

1584

Distal end of a single tube.

Fig. 8. Auloceros capreolus  , n. sp.,

×

200

1584

Distal End of a Single Tube.

Figs. 9, 10. Auloceros cervinus  , n. sp.,

×

300

1584

Distal ends of two single tubes.

Fig. 12. Auloceros spathillaster  , n. sp.,

×

300

1585

Distal end of a single tube.

Figs. 11, 13. Auloceros arborescens  , n. sp.,

×

300

1585

Distal ends of two single tubes.

PLATE 103.

Legion PHÆODARIA.

Order PHÆOCYSTINA.

Family AULACANTHIDA.

PLATE 103.

A  ULACANTHIDA.

Diam.

Page.

Fig. 1.   Aulographis candelabrum, n. sp.,

×

100

1583

p, The dark phæodium surrounding the central capsule on its oral part; a, a part of the surrounding alveolate calymma, also surrounding the central capsule; s, the veil of tangential needles covering the surface of the alveolate calymma; r, the big radial tubes, seven of which are visible, with an elegant verticil of terminal branches; f, the numerous pseudopodia radiating between the branches. The central capsule exhibits the following parts:—o, Astropyle; u, parapylæ; e, outer membrane; i, inner membrane; v, vacuoles; n, nucleus; l  , nucleoli.

Figs. 2-9. Aulographis pandor  , n. sp.,

×

100

1577

Distal ends of various radial tubes of a single specimen, exhibiting the extraordinary variability of this species.

Fig. 10. Aulographis furcula  , n. sp.,

×

400

1580

A two-branched tube.

Fig. 11. Aulographis furcula  , n. sp.,

×

400

1580

A three-branched tube.

Figs. 12, 13. Aulographis bovicornis  , n. sp.,

×

200

1577

Two tubes with two branches.

Fig. 14. Aulographis bovicornis  , n. sp.,

×

200

1577

A tube with three branches.

Fig. 15. Aulographis triangulum  , n. sp.,

×

200

1580

A single tube.

Fig. 16. Aulographis taumorpha  , n. sp.,

×

300

1577

Two tubes, each with two branches.

Fig. 17. Aulographis triglochin  , n. sp.,

×

300

1578

A tube with three branches.

Figs. 18, 19. Aulographis hexancistra  , n. sp.,

×

300

1581

Distal end of two tubes (one with four, the other with five terminal branches).

Fig. 20. Aulographis dentata  , n. sp.,

×

200

1582

Distal end of a single tube.

Fig. 21. Aulographis ancorata  , n. sp.,

×

300

1578

Two tubes, each with four recurved branches.

Fig. 22. Aulographis tetrancistra  , n. sp.,

×

300

1581

A single tube.

Fig. 23. Aulographis stellata  , n. sp.,

×

300

1578

a and b, Two rudimentary or incompletely developed tubes; c  , a well-developed tube of the usual form.

Fig. 24. Aulographis asteriscus  , n. sp.,

×

300

1581

Terminal verticil of a single tube.

Fig. 25. Aulographis cruciata  , n. sp.,

×

300

1578

Distal end of a single tube.

Fig. 26. Aulographis pulvinata  , n. sp.,

×

400

1582

Distal end of a single tube.

Fig. 27. Aulographis serrulata  , n. sp.,

×

400

1582

Distal end of a single tube.

PLATE 104.

Legion PHÆODARIA.

Order PHÆOCYSTINA.

Family AULACANTHIDA.

PLATE 104.

A  ULACANTHIDA.

Diam.

Page.

AULACANTHIDA.

Fig. 1. Aulospathis bifurca  , n. sp.,

×

50

1586

A complete specimen, excellently preserved, with an ovate alveolate calymma and two central capsules. The surface of the calymma is covered with tangential needles.

Fig. 2. Aulospathis bifurca  , n. sp.,

×

100

1586

An isolated central capsule of another specimen, surrounded by granules of the phæodium. o, Radiate operculum of the astropyle; u, the two lateral parapylæ; e, external membrane of the capsule; i, internal membrane; c, vacuoles in the protoplasm; n, nucleus; l  , numerous nucleoli.

Fig. 3. Aulospathis bifurca  , n. sp.,

×

80

1586

Two central capsules of another specimen, surrounded by the phæodium (Self-division). Characters as in fig. 2.

Fig. 4. Aulospathis bifurca  , n. sp.,

×

100

1586

A single radial tube.

Fig. 5. Aulospathis bifurca  , n. sp.,

×

200

1586

Distal part of another radial tube, partly filled up by air-bubbles.

Fig. 6. Aulospathis trifurca  , n. sp.,

×

200

1586

Distal part of a single radial tube.

Fig. 7. Aulospathis trifurca  , n. sp.,

×

200

1586

Distal part of another radial tube.

Fig. 8. Aulospathis triodon  , n. sp.,

×

100

1587

A single radial tube.

Fig. 9. Aulospathis tetrodon  , n. sp.,

×

200

1588

Distal end of single tube.

Figs. 10-13. Aulospathis polymorpha  , n. sp.,

×

400

1587

Four single terminal branches with very different forms of spathillæ.

Figs. 14-17. Aulospathis variabilis  , n. sp.,

×

400

1588

Four single terminal branches with very different forms of spathillæ.

PLATE 105.

Legion PHÆODARIA.

Order PHÆOCYSTINA.

Family AULACANTHIDA.

PLATE 105.

A  ULACANTHIDA.

Diam.

Page.

AULACANTHIDA.

Fig. 1. Aulodendron indicum  , n. sp.,

×

200

1590

A single tube.

Fig. 2. Aulodendron pacificum  , n. sp.,

×

400

1589

Distal half of a tube.

Fig. 3. Aulodendron australe  , n. sp.,

×

300

1589

A single tube.

Fig. 4. Aulacantha spinosa  , n. sp.,

×

300

1575

Distal half of a tube.

Fig. 5. Aulodendron antarcticum  , n. sp.,

×

300

1589

A single tube.

Fig. 6. Aulographis pistillum  , n. sp.,

×

300

1579

A single tube.

Fig. 7. Aulographis martagon  , n. sp.,

×

300

1579

Distal end of a single tube.

Fig. 8. Aulographis triæna  , n. sp.,

×

80

1579

A single tube.

Fig. 9. Aulographis flammabunda  , n. sp.,

×

100

1579

Distal end of a tube.

Fig. 10. Aulographis flosculus  , n. sp.,

×

300

1580

Distal end of a tube.

Fig. 11. Aulographis   gemmascens, n. sp.,

×

100

1580

Distal end of a tube.

Fig. 12. Aulographis verticillata  , n. sp.,

×

400

1582

Distal end of a tube.

Fig. 12a  . Apical view, with four verticils of five branches.

Fig. 13. Aulographis tripentas  , n. sp.,

×

300

1582

Distal end of a tube.

Fig. 13a  . Apical view, with three verticils of five branches.

Fig. 14. Auloceros dicranaster  , n. sp.,

×

400

1585

Distal end of a tube, seen from the side.

Fig. 15. Auloceros dicranaster  , n. sp.,

×

200

1585

Distal end of a tube, seen from the terminal face.

Fig. 16. Aulacantha cannulata  , n. sp.,

×

300

1576

Distal end of a tube.

PLATE 106.

Legion PHÆODARIA.

Orders PHÆOSPHÆRIA.

Family OROSPHÆRIDA.

PLATE 106.

O  ROSPHÆRIDA.

Diam.

Page.

OROSPHÆRIDA.

Fig. 1. Orosphæra serpentina  , n. sp.,

×

50

1595

The entire shell.

Fig. 2. Orosphæra horrida  , n. sp.,

×

50

1596

The entire shell.

Fig. 3. Orosphæra arborescens, n. sp. (vel Orothamnus arborescens  ),

×

50

1597

The entire shell.

Fig. 4. Oroscena gegenbauri  , n. sp.,

×

50

1597

The entire shell.

(Compare Pl. 12  , fig. 1.)

PLATE 107.

Legion PHÆODARIA.

Order PHÆOSPHÆRIA.

Family OROSPHÆRIDA.

PLATE 107.

O  ROSPHÆRIDA.

Diam.

Page.

(Fig. 8 of this Plate has no number, by mistake; it is at the top in the middle.)

Fig. 1. Oroplegma diplosphæra  , n. sp.,

×

50

1600

The entire shell, enveloped by an outer mantle of spongy framework.

Fig. 2. Oroplegma giganteum  , n. sp.,

×

200

1601

A small piece of the spongy framework.

Fig. 3. Oroplegma spongiosum  , n. sp.,

×

50

1601

A pyramidal elevation of the inner shell, with its spongy framework, and a radial spine on the top.

Fig. 4. Oroscena bærii  , n. sp.,

×

100

1598

A pyramidal elevation of the shell, with a radial spine on its top.

Fig. 5. Orona maxima  , n. sp.,

×

300

1594

A small piece of the network; the central canals of the bars are partly filled by air.

Fig. 6. Oroscena cuvieri  , n. sp.,

×

50

1598

A single radial spine.

Fig. 7. Orona crassissima  , n. sp.,

×

300

1594

A single bar of the coarse network, with dimpled surface.

Fig. 8. Oroscena mülleri  , n. sp.,

×

50

1598

A single radial spine.

PLATE 108.

Legion PHÆODARIA.

Order PHÆOSPHÆRIA.

Family SAGOSPHÆRIDA.

PLATE 108.

S  AGOSPHÆRIDA.

Diam.

Page.

SAGOSPHÆRIDA.

Fig. 1. Sagoscena castra  , n. sp.,

×

50

1608

Half the shell, with the enclosed central capsule and the phæodium, stained by carmine. (The central nucleus dark.)

Fig. 2. Sagmarium spongodictyum  , n. sp.,

×

50

1612

Half the shell, with its delicate spongy framework.

Fig. 3. Sagenoscena stellata  , n. sp.,

×

300

1610

Top and axial rod of a pyramid, prolonged into a crowned radial spine.

Fig. 4. Sagenoscena ornata  , n. sp.,

×

300

1610

A single pyramid with its axial rod, prolonged into a crowned radial spine.

Fig. 5. Sagoscena pellorium  , n. sp.,

×

300

1609

A single pyramid of the shell-surface.

Fig. 6. Sagoscena tentorium  , n. sp.,

×

100

1608

A piece of the shell with eight pyramids.

Fig. 7. Sagoscena prætorium  , n. sp.,

×

400

1609

Top of a pyramid.

Fig. 8. Sagena ternaria  , n. sp.,

×

400

1606

A single triangular mesh of the lattice sphere.

Fig. 9. Sagmidium crucicorne  , n. sp.,

×

400

1613

A single nodal point with three radial spines.

Fig. 9a  . A portion of a spine, more highly magnified.

Fig. 10. Sagosphæra penicilla  , n. sp.,

×

400

1607

One nodal point and its radial spine.

Fig. 11. Sagosphæra furcilla  , n. sp.,

×

300

1607

Two nodal points of the network.

Fig. 11a  . Extremity of a spine.

Fig. 12. Sagmidium quadricorne  , n. sp.,

×

400

1614

A nodal point of the shell surface, with four divergent spines.

Fig. 13. Sagoplegma scenophora  , n. sp.,

×

300

1615

Tops of two pyramids.

Fig. 14. Sagmarium plegmosphærium  , n. sp.,

×

300

1612

A nodal point of the spongy framework.

PLATE 109.

Legion PHÆODARIA.

Order PHÆOSPHÆRIA.

Family AULOSPHÆRIDA.

PLATE 109.

A  ULOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Aulosphæra dendrophora, n. sp.,

×

50

1625

The entire shell, with the central capsule and its nucleus, enveloped by the dark granular phæodium.

Fig. 2. Aulosphæra dendrophora  , n. sp.,

×

300

1625

A single radial tube.

Fig. 3. Aulosphæra sceptrophora  , n. sp.,

×

300

1625

A hexagonal group of six triangular meshes.

Fig. 4. Aulosphæra sceptrophora  , n. sp.,

×

300

1625

A similar group, seen from the side, with three radial tubes.

Fig. 5. Aulosphæra spinosa  , n. sp.,

×

300

1627

A hexagonal group of six triangular meshes.

Fig. 6. Aulosphæra undulata  , n. sp.,

×

400

1627

A single radial tube.

Fig. 7. Aulosphæra spathillata  , n. sp.,

×

400

1624

A single radial tube.

Fig. 7a  . An abnormal variety,

×

400

Fig. 8. Aulosphæra triodon  , n. sp.,

×

400

1623

A single radial tube.

Fig. 9. Aulosphæra trifurca  , n. sp.,

×

400

1626

A single radial tube.

Fig. 10. Aulosphæra cruciata  , n. sp.,

×

300

1624

A single radial tube.

Fig. 11. Aulosphæra bisternaria  , n. sp.,

×

300

1624

A single radial tube.

Fig. 12. Aulosphæra bisternaria  , n. sp.,

×

600

1624

Distal end of a single radial tube.

PLATE 110.

Legion PHÆODARIA.

Order PHÆOSPHÆRIA.

Family AULOSPHÆRIDA.

PLATE 110.

A  ULOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Auloscena mirabilis, n. sp.,

×

50

1628

The complete shell, representing a regular latticed sphere, which is composed of equal hexagonal pyramids; the top of each pyramid bears a radial tube with a terminal corona.

Fig. 2. Auloscena mirabilis  , n. sp.,

×

600

1628

Terminal corona of a single radial tube.

Fig. 3. Auloscena penicillus  , n. sp.,

×

200

1629

A single tent-shaped elevation or six-sided pyramid, bearing on the top a brush-shaped radial tube.

Fig. 4. Auloscena flammabunda  , n. sp.,

×

400

1629

A single radial tube, with a centripetal free prolongation at the base and a verticil of undulate terminal branches at the distal end.

Fig. 5. Auloscena serrata  , n. sp.,

×

600

1630

Terminal corona of a single radial tube.

Fig. 6. Auloscena tentorium  , n. sp.,

×

400

1628

A single radial tube, with a centripetal prolongation at the base and a terminal corona at the distal end.

Fig. 7. Auloscena gigantea  , n. sp.,

×

400

1629

Basal part of a radial tube, exhibiting the internal axial thread and its connection with the six tubes, which form the edges of a flat six-sided pyramid (usually more elevated than the figure exhibits).

Fig. 8. Auloscena spectabilis  , n. sp.,

×

400

1628

Apex of an abnormal pyramid (sometimes occurring), in which seven radial tubes are united, instead of six.

Fig. 9. Auloscena spectabilis  , n. sp.,

×

800

1628

Basal part of a radial tube, in the top of a flat six-sided pyramid; above it the distal part of the same tube with its terminal corona (middle part of the tube wanting).

Fig. 10. Auloscena verticillus  , n. sp.,

×

300

1629

Apex of a six-sided pyramid, seen from the inside.

Fig. 11. Auloscena verticillus  , n. sp.,

×

400

1629

Distal part of a single radial tube, with the terminal corona.

PLATE 111.

Legion PHÆODARIA.

Order PHÆOSPHÆRIA.

Family AULOSPHÆRIDA.

PLATE 111.

A  ULOSPHÆRIDA.

Diam.

Page.

Fig. 1.   Aulonia hexagonia, n. sp.,

×

30

1634

The complete spherical shell.

Fig. 2. Aularia ternaria  , n. sp.,

×

300

1621

A group of six triangular meshes, with seven nodal points of radial tubes. Behind the central capsule, with its double membrane (e, outer; i, inner) and radiate operculum (o); u, the two outer parapylæ; v, vacuoles in the protoplasm. The ellipsoidal nucleus (n) contains numerous nucleoli (l  ).

Fig. 3. Aulastrum triceros  , n. sp.,

×

50

1635

The complete shell.

Fig. 3a. Aulastrum triceros  , n. sp.,

×

300

1635

A single radial tube.

Figs. 4a, 4b, 4c. Aulastrum dendroceros  , n. sp.,

×

400

1635

Three single radial spines (taken from three different specimens).

Fig. 5a. Aulophacus lenticularis  , n. sp.,

×

300

1631

A single radial spine.

Fig. 5b. Aulophacus amphidiscus  , n. sp.,

×

300

1631

A single radial spine.

Fig. 6. Aulatractus fusiformis  , n. sp.,

×

5

1632

The complete shell, five times enlarged.

Fig. 6a. Aulatractus fusiformis  , n. sp.,

×

20

1632

Apical part of the shell.

Fig. 6b. Aulatractus fusiformis  , n. sp.,

×

400

1632

A single radial tube.

Fig. 7. Aulatractus diploconus  , n. sp.,

×

20

1632

Apical part of the shell.

Fig. 7a. Aulatractus diploconus  , n. sp.,

×

400

1632

A single radial tube.

Fig. 8. Auloplegma perplexum  , n. sp.,

×

50

1630

Half the shell.

Fig. 8a. Auloplegma perplexum  , n. sp.,

×

400

1630

A single radial tube.

Fig. 9. Auloplegma spongiosum  , n. sp.,

×

300

1631

A single radial tube.

PLATE 112.

Legion PHÆODARIA.

Orders PHÆOSPHÆRIA.

Family CANNOSPHÆRIDA.

PLATE 112.

C  ANNOSPHÆRIDA.

Diam.

Page.

CANNOSPHÆRIDA.

Fig. 1. Cannosphæra antarctica  , n. sp.,

×

50

1640

The entire shell. The inner mammillate shell, from the month of which is prominent the phæodium, in connected by numerous radial beams with the outer shell.

Fig. 2. Cannosphæra antarctica  , n. sp.,

×

200

1640

The inner shell, from the mouth of which is prominent the phæodium, and a single hexagonal mesh of the outer shell, connected with the former by thin radial threads.

Fig. 3. Cannosphæra antarctica  , n. sp.,

×

200

1640

A single radial spine, with four terminal branches.

Fig. 4. Cannosphæra pacifica  , n. sp.,

×

200

1641

The inner shell, exhibiting on its base the widely open mouth, and in its upper half the transparent spherical central capsule with its nucleus. Of the outer shell (which is connected with the inner by thin radial threads), only a few polygonal meshes are visible.

Fig. 5. Cannosphæra atlantica  , n. sp.,

×

200

1640

The inner shell, connected by spiny radial beams with the outer shell, a quadrant only of which is visible.

Fig. 6. Cannosphæra atlantica  , n. sp.,

×

200

1640

A single radial spine, with five terminal branches.

PLATE 113.

Legion PHÆODARIA.

Order PHÆOGROMIA.

Family CASTANELLIDA.

PLATE 113.

C  ASTANELLIDA.

Diam.

Page.

Fig. 1.   Castanissa challengeri, n. sp.,

×

100

1686

In the lower part of the figure is visible the large corona of teeth around the mouth (a  ).

Fig. 2. Castanidium moseleyi  , n. sp.,

×

80

1686

In the upper part of the figure, at left, is visible the irregular polygonal mouth (a  ).

Fig. 3. Castanopsis naresi  , n. sp.,

×

80

1688

In the upper part of the figure is visible the smooth circular mouth (a  ).

Fig. 4. Castanura tizardi  , n. sp.,

×

80

1689

Fig. 4a  . A single main-spine of the same,

×

400

Fig. 5. Castanidium murrayi  , n. sp.,

×

100

1685

With a large phæodium, partly protruded through the circular mouth.

Fig. 5a  . A single main-spine of the same, hexagonally dimpled,

×

400

Fig. 6. Castanella wyvillei  , n. sp.,

×

100

1683

A piece of the shell with the mouth, armed with six large teeth (a  ).

Fig. 7. Castanidium buchanani  , n. sp.,

×

100

1685

A piece of the shell with the smooth roundish mouth (a  ).

PLATE 114.

Legion PHÆODARIA.

Orders PHÆOCYSTINA ET PHÆOGROMIA.

Families CANNORRHAPHIDA et CIRCOPORIDA.

PLATE 114.

CANNORRHAPHIDA et C  IRCOPORIDA.

Diam.

Page.

Fig. 1.   Haeckeliana darwiniana, n. sp.,

×

200

1702

A complete shell.

Fig. 2. Haeckeliana darwiniana  , n. sp.,

×

400

1702

A single coronet of pores.

Fig. 3. Haeckeliana gœtheana  , n. sp.,

×

300

1702

The oral part of the shell with the mouth.

Fig. 4. Haeckeliana lamarckiana  , n. sp.,

×

400

1701

A single coronet of pores.

Fig. 5. Haeckeliana maxima  , n. sp.,

×

300

1701

A single coronet of pores.

Fig. 6. Haeckeliana porcellana  , John Murray,

×

200

1701

A complete shell.

Fig. 7. Distephanus corona  , n. sp.,

×

800

1566

A single pileated piece (half from the side, half from below).

Fig. 8. Distephanus corona  , n. sp.,

×

800

1566

Two coupled pileated pieces caught into one another (twin-piece).

Fig. 9. Distephanus corona  , n. sp.,

×

800

1566

A single pileated piece, seen from above.

Fig. 10. Cannopilus diplostaurus  , n. sp.,

×

800

1568

A single pileated piece, seen from above.

Fig. 11. Cannopilus cyrtoides  , n. sp.,

×

800

1569

A single pileated piece, seen obliquely from the side.

Fig. 12. Cannopilus cyrtoides  , n. sp.,

×

800

1569

A single pileated piece, seen from below.

Fig. 13. Haeckeliana porcellana  , John Murray,

×

600

1526

The radiate operculum of the central capsule.

PLATE 115.

Legion PHÆODARIA.

Order PHÆOGROMIA.

Family CIRCOPORIDA.

PLATE 115.

C  IRCOPORIDA.

Diam.

Page.

Fig. 1.   Circoporus sexfuscinus, n. sp.,

×

100

1695

The cruciform mouth is visible in the upper part of the figure, to the right.

Fig. 2. Circoporus sexfuscinus  , n. sp.,

×

200

1695

A single radial spine, with four cruciate pores at the base.

Fig. 3. Circoporus sexfuscinus  , n. sp.,

×

600

1695

The radiate operculum of the central capsule, with the proboscis.

Fig. 4. Circospathis furcata  , n. sp.,

×

100

1696

Five of the nine spines are visible, two others (on the upper face) broken off. Between the latter the pentagonal mouth (with five teeth).

Fig. 5. Circospathis furcata  , n. sp.,

×

300

1696

The mouth with its five teeth.

Fig. 6. Circospathis furcata  , n. sp.,

×

400

1696

A piece of the shell with a radial spine.

Fig. 7. Circospathis furcata  , n. sp.,

×

400

1696

Vertical section through the base of a radial spine, to show the central funicle.

Fig. 8. Circogonia dodecacantha  , n. sp.,

×

100

1698

The central capsule with the elliptical nucleus (to the right) and the dark phæodium (to the left) are visible, in the upper part (to the left) the mouth of the shell, with six teeth.

Fig. 9. Circogonia dodecacantha  , n. sp.,

×

400

1698

A fragment of the shell, exhibiting its peculiar structure (needles tangentially scattered in the cement of the porcellanous substance), and a circle of nine pores around the base of a broken spine.

Fig. 10. Circospathis tetrodonta  , n. sp.,

×

400

1697

The mouth with four teeth, in profile view.

PLATE 116.

Legion PHÆODARIA.

Order PHÆOGROMIA.

Families MEDUSETTIDA et CIRCOPORIDA.

PLATE 116.

MEDUSETTIDA et C  IRCOPORIDA.

Diam.

Page.

Fig. 1.   Polypetta mammillata, n. sp.,

×

500

1677

In the upper part of the figure the dentate proboscis.

Fig. 1a  . Vertical section through the shell-wall, showing two of the hollow alveoles, opening on its inside,

×

1000

Fig. 2. Polypetta tabulata  , n. sp.,

×

500

1677

In the upper part of the figure the dentate proboscis.

Fig. 2a  . A piece of the shell, seen from the surface, with the triangular plates,

×

1000

Fig. 2b  . Vertical section through the shell-wall, with an alveole,

×

1000

Fig. 3. Circostephanus coronarius  , n. sp.,

×

150

1699

The polyhedral shell exhibits in its wall the small tangential needles. The radial spines are partly broken off. The mouth of the shell, surrounded by eight short conical teeth, is visible on the left side of the figure.

Fig. 3a  . The mouth of the shell, seen in profile, with eight conical spinulate teeth,

×

400

Fig. 3b  . The base of a radial spine broken off, to show the corona of (five or six) basal pores,

×

400

PLATE 117.

Legion PHÆODARIA.

Orders PHÆOCYSTINA ET PHÆOGROMIA.

Families CANNORRHAPHIDA, MEDUSETTIDA et CIRCOPORIDA.

PLATE 117.

CANNORRHAPHIDA, MEDUSETTIDA et C  IRCOPORIDA.

Diam.

Page.

Fig. 1.   Circogonia icosahedra, n. sp.,

×

80

1698

The entire shell, with twelve radial tubes and twenty triangular faces. In the centre of one face is the mouth, with six teeth.

Fig. 1a  . The mouth alone, with its six spinulate teeth,

×

400

Fig. 2. Circorrhegma dodecahedra  , n. sp.,

×

80

1699

The entire shell, with twenty radial tubes and twelve pentagonal faces. In the centre of one face is the mouth, with five teeth.

Fig. 2a  . The mouth alone, with its five spinulate teeth, seen in profile,

×

200

Fig. 3. Circospathis novena  , n. sp.,

×

100

1696

The entire shell, with nine radial tubes and fourteen triangular faces. In one face (to the left above) is the mouth with nine teeth.

Fig. 3a  . The mouth alone, with its nine spinulate teeth,

×

150

Fig. 4. Circoporus hexastylus  , n. sp.,

×

80

1695

A single radial spine.

Fig. 5. Circoporus sexfurcus  , n. sp.,

×

80

1694

The entire spherical shell with six forked and ciliated radial tubes. In the centre the cruciform mouth with four teeth.

Fig. 6. Circoporus octahedrus  , n. sp.,

×

300

1695

The entire shell, with six verticillate radial tubes and eight triangular faces. In the centre of one face is the mouth, with four teeth.

Fig. 7. Cortinetta tripodiscus  , n. sp.,

×

300

1667

The entire shell with the enclosed central capsule, and the phæodium around the astropyle.

Fig. 7a  . The astropyle, partly detached from the wall of the central capsule, seen in profile,

×

800

Fig. 8. Catinulus quadrifidus  , n. sp.,

×

80

1553

A complete specimen, with four equal central capsules, united in a single spherical calymma.

Fig. 8a  . Some single pieces of the skeleton,

×

400

PLATE 118.

Legion PHÆODARIA.

Order PHÆOGROMIA.

Family MEDUSETTIDA.

PLATE 118.

M  EDUSETTIDA.

Diam.

Page.

Fig. 1.   Gazelletta melusina, n. sp.,

×

300

1674

From the peristome of the thorny campanulate shell arise six large descending feet, which are studded with arborescent fragile lateral branches, and armed at the distal end with stouter dichotomous terminal branches.

Fig. 2. Euphysetta staurocodon  , n. sp.,

×

300

1670

The peristome of the ovate shell bears an odd large foot with three terminal branches and three cruciate rudimentary feet. In the upper part of the shell-cavity is visible the sphæroidal central capsule (containing a nucleus of half the size, with numerous nucleoli); in the lower half the dark pigment-masses of the green phæodium.

Fig. 3. Euphysetta amphicodon  , n. sp.,

×

300

1670

The shell-wall exhibits the regular alveolate structure. From the mouth are prominent large masses of the phæodium, which is more voluminous than the shell-cavity, and seems to contain nucleated cells.

PLATE 119.

Legion PHÆODARIA.

Order PHÆOGROMIA.

Family MEDUSETTIDA.

PLATE 119.

M  EDUSETTIDA.

Diam.

Page.

Fig. 1.   Gorgonetta mirabilis, n. sp.,

×

100

1674

The entire body. From the margin of the cap-shaped shell arise six ascending arborescent feet and six alternating descending feet, which are covered with anchor-pencils and branched at the distal end. From the mouth of the delicately alveolate shell depend prominent parts of the dark voluminous phæodium.

Fig. 2. Gorgonetta mirabilis  , n. sp.,

×

300

1674

The distal end of an ascending foot; the branches bear a terminal spathilla with small recurved teeth.

Fig. 3. Gorgonetta mirabilis  , n. sp.,

×

300

1674

The distal end of a descending foot, with three lateral anchor-pencils and three terminal branches (broken off). Odd alveole contains an air-bubble.

Fig. 4. Gorgonetta mirabilis  , n. sp.,

×

600

1674

A single thread of an anchor-pencil with two quadridentate spathillæ, a larger proximal and a smaller distal (terminal).

PLATE 120.

Legion PHÆODARIA.

Order PHÆOGROMIA.

Family MEDUSETTIDA.

PLATE 120.

M  EDUSETTIDA.

Diam.

Page.

Fig. 1.   Medusetta codonium, n. sp.,

×

400

1668

Fig. 2. Medusetta quadrigata  , n. sp.,

×

400

1668

The central capsule is visible in the upper half, the phæodium in the lower half of the shell-cavity.

Fig. 3. Medusetta tetranema  , n. sp.,

×

400

1669

Fig. 4. Medusetta craspedota  , n. sp.,

×

400

1669

Fig. 5. Gazelletta hexanema  , n. sp.,

×

300

1671

Fig. 6. Gazelletta bifurca  , n. sp.,

×

300

1672

A single alveolate foot.

Fig. 7. Gazelletta macronema  , n. sp.,

×

200

1671

Oral view of the shell.

Fig. 8. Gazelletta macronema  , n. sp.,

×

800

1671

Three joints of an alveolate foot.

Fig. 9. Gazelletta cyrtonema  , n. sp.,

×

300

1671

The upper part of the shell encloses the central capsule with its nucleus. The voluminous phæodium is prominent over the mouth.

Fig. 10. Gazelletta orthonema  , n. sp.,

×

200

1671

The central capsule and its nucleus are visible in the shell-cavity.

Fig. 11. Gazelletta schleinitzii  , n. sp.,

×

400

1673

Oblique apical view, with the enclosed central capsule, the nucleus of which contains numerous nucleoli.

Fig. 12. Gazelletta schleinitzii  , n. sp.,

×

300

1673

A single alveolate foot.

Fig. 13. Gazelletta trispathilla  , n. sp.,

×

400

1673

The middle part of a foot.

Fig. 14. Gazellatta robusta  , n. sp.,

×

300

1673

The base of a foot, exhibiting the pores of the alveoli.

Fig. 15. Gazelletta studeri  , n. sp.,

×

400

1673

The distal end of a foot; four alveoli filled up by air-bubbles.

Fig. 16. Gazelletta dendronema  , n. sp.,

×

300

1674

A part of the velum, seen from the inside. The alveoles are partly filled by air.

PLATE 121.

Legion PHÆODARIA.

Order PHÆOCONCHIA.

Family CŒLODENDRIDA.

PLATE 121.

C  ŒLODENDRIDA.

Diam.

Page.

Fig. 1.   Cœlodendrum furcatissimum, n. sp.,

×

50

1735

A complete specimen with the central capsule and the big phæodium. The spherical calymma envelops almost the entire skeleton.

Fig. 2. Cœlodendrum furcatissimum  , n. sp.,

×

300

1735

A distal branch with its terminal ramification.

Fig. 3. Cœlodendrum furcatissimum  , n. sp.,

×

100

1735

One valve of the shell, with its galea and the four hollow forked tubes arising from it.

Fig. 4. Cœlodendrum furcatissimum  , n. sp.,

×

100

1735

The central capsule with its nucleus; on the left side one valve of the closely enveloping shell (seen in vertical section), and its galea with the origin of the four tubes.

Fig. 5. Cœlodendrum serratum  , n. sp.,

×

400

1737

A flabellate terminal branch.

Fig. 6. Cœlodendrum flabellatum  , n. sp.,

×

150

1737

A flabellate terminal branch.

Fig. 7. Cœlodendrum spinosissimum  , n. sp.,

×

300

1735

Forked distal end of a terminal branch.

Fig. 8. Cœlodendrum cervicorne  , n. sp.,

×

150

1736

One valve of the shell, with its galea and the four tubes arising from it. A network of protoplasm connects the distal branches.

Fig. 9. Cœlodrymus ancoratus  , n. sp.,

×

50

1738

A complete specimen, with the central capsule and the enveloping phæodium. The surface of the spherical calymma is covered by a dense network, from which arise numerous, anchor-bearing, radial tubules.

Fig. 10. Cœlodrymus ancoratus  , n. sp.,

×

150

1738

A small piece of the superficial network of the skeleton, with the zigzag radial tubules arising from it, each of which bears an anchor with two recurved denticulate teeth on the distal end.

PLATE 122.

Legion PHÆODARIA.

Order PHÆOCONCHIA.

Family CŒLOGRAPHIDA.

PLATE 122.

C  ŒLOGRAPHIDA.

Diam.

Page.

Fig. 1.   Cœlotholus octonus, n. sp.,

×

30

1749

The entire bivalved shell, seen obliquely from the dorsal and somewhat from the right side, enveloped by the yellowish calymma.

Fig. 2. Cœlotholus octonus  , n. sp.,

×

100

1749

One valve of the shell (h) with its large galea and the origin of the three styles. The base of the two lateral styles (g^1, g^2) is connected by two latticed lateral frenula (b^1, b^2) with the mouth (m) of the rhinocanna (t). The odd style (g^3  ) is free.

Fig. 3. Cœlothauma duodenum  , n. sp.,

×

20

1750

The entire shell, seen from the dorsal side. The long styles are enveloped by the yellowish calymma.

Fig. 4. Cœlothauma duodenum  , n. sp.,

×

80

1750

One valve of the shell (h), seen from the apical side; t, rhinocanna; m, its mouth; b^1, b^2, the two lateral frenula; g^1, g^2, the two paired styles; g^3  , the odd style.

Fig. 5. Cœlothauma duodenum  , n. sp.,

×

80

1750

One valve of the shell, seen in profile. Characters as in fig. 4.

Fig. 6. Cœlothamnus bivalvis  , n. sp.,

×

30

1751

The entire shell, enveloped by the yellowish calymma, seen from the left side; between the two valves is the central capsule, with nucleus and astropyle.

Fig. 7. Cœlothamnus bivalvis  , n. sp.,

×

100

1751

A single lateral anchor-pencil.

Fig. 8. Cœlothamnus bivalvis  , n. sp.,

×

200

1751

Distal end of a style, with its anchor-pencils.

Fig. 9. Cœlothamnus bivalvis  , n. sp.,

×

400

1751

A single anchor-thread, with its quadridentate terminal spathilla.

PLATE 123.

Legion PHÆODARIA.

Order PHÆOCONCHIA.

Family CONCHARIDA.

PLATE 123.

C  ONCHARIDA.

Diam.

Page.

(The central capsule is coloured red in the figures of this plate, the phæodium green).

Fig. 1. Concharium diatomeum  , n. sp.,

1717

Dorsal view. The central capsule (red) exhibits above the anterior tubular main-opening (astropyle), and below the two small posterior lateral openings (right and left parapylæ).

Fig. 2. Concharium bivalvum  , n. sp.,

×

150

1717

Dorsal view. The central capsule is visible in the lower part, the margin of the two valves in the upper part of the figure.

Fig. 2a   exhibits the two smooth lateral margins of the valves, catching into one another. (Lateral view).

Fig. 3. Concharium nucula  , n. sp.,

1717

The dorsal valve alone, seen from the outside.

Fig. 4. Concharium bacillarium  , n. sp.,

1718

Lateral view from the smooth margin, by which the two valves are united.

Fig. 5. Conchasma radiolites  , n. sp.,

×

300

1719

Lateral view. In the aboral half of the shell-cavity lies the red central capsule, in the oral half the green phæodium.

Fig. 6. Conchasma sphærulites  , n. sp.,

×

300

1719

Lateral view. On the aboral pole the two horns of the hinge.

Fig. 7. Conchellium tridacna  , n. sp.,

×

200

1720

Oblique lateral view (from the right and ventral side).

Fig. 7a  . Three pores of the same, with their hexagonal frames and six internal denticles,

×

400

Fig. 8. Conchopsis carinata  , n. sp.,

×

150

1725

Lateral view, from the left side.

Fig. 9. Conchopsis lenticula, n. sp.,

×

150

1726

Lateral view, from the right side. The two membranes of the central capsule are separated by a wide interval in this and the preceding figure. The nucleus contains numerous nucleoli.

Fig. 9a  . Two of the peculiar cells, which are contained in the green phæodium in large numbers,

×

400

PLATE 124.

Legion PHÆODARIA.

Order PHÆOCONCHIA.

Family CONCHARIDA.

PLATE 124.

C  ONCHARIDA.

Diam.

Page.

Fig. 1.   Conchidium terebratula, n. sp.,

×

400

1721

Lateral view, from the left side.

Fig. 2. Conchidium terebratula  , n. sp.,

×

800

1721

A piece of the frontal girdle-fissure, with the teeth of both valves catching into one another.

Fig. 3. Conchidium rhynchonella  , n. sp.,

×

200

1722

Lateral view, from the left side.

Fig. 4. Conchidium leptæna  , n. sp.,

×

300

1722

Girdle-fissure with the teeth, seen from the left side.

Fig. 5. Conchidium leptæna  , n. sp.,

×

800

1722

A single tooth with its base.

Fig. 6. Conchidium thecidium  , n. sp.,

×

300

1721

Lateral view, from the left side. In the oral part of the shell-cavity the dark phæodium, in the aboral part the central capsule with two nuclei (a dorsal and a ventral).

Fig. 7. Conchidium argiope  , n. sp.,

×

300

1722

Oblique oral view (half from the anterior, half from the left side).

Fig. 8. Conchidium argiope  , n. sp.,

×

300

1722

Dorsal valve, from below.

Fig. 9. Conchidium argiope  , n. sp.,

×

600

1722

A piece of the valve margin, with four teeth.

Fig. 10. Conchonia diodon  , n. sp.,

×

200

1723

Lateral view, from the left side. In the anterior part of the shell-cavity the dark phæodium, in the posterior part the central capsule with the nucleus. The two valves are connected at the posterior hinge by a ligament (to the right in the figure).

Fig. 11. Conchonia diodon  , n. sp.,

×

400

1723

Mouth of the shell, with its two lips, seen from the oral pole.

Fig. 12. Conchonia diodon  , n. sp.,

×

400

1723

A piece of the valve-margin, with four teeth.

Fig. 13. Conchonia triodon  , n. sp.,

×

300

1724

Ventral valve, seen from the lower face.

Fig. 14. Conchonia triodon  , n. sp.,

×

300

1724

Dorsal valve, seen from the left side.

Fig. 15. Conchoceras caudatum  , n. sp.,

×

300

1727

Lateral view, from the left side.

Fig. 16. Conchoceras cornutum  , n. sp.,

×

200

1728

Lateral view, from the left side.

PLATE 125.

Legion PHÆODARIA.

Order PHÆOCONCHIA.

Family CONCHARIDA.

PLATE 125.

C  ONCHARIDA.

Diam.

Page.

Fig. 1.   Conchopsis aspidium, n. sp.,

×

150

1726

Lateral view, from the left side.

Fig. 2. Conchopsis aspidium  , n. sp.,

×

300

1726

The hinge of another specimen, in which the two valves are connected by a ligament (as in figs. 8 and 9, Pl. 123).

Fig. 3. Conchopsis orbicularis  , n. sp.,

×

200

1725

Lateral view, from the left side.

Fig. 4. Conchopsis navicula  , n. sp.,

×

150

1727

Lateral view, from the right side. In the lower (posterior) half of the figure is visible the central capsule with its dark nucleus, in the upper (anterior) half the phæodium with two broad sagittal wings.

Fig. 5. Conchopsis navicula  , n. sp.,

×

400

1727

Three single pores with their hexagonal external frame and the dilated internal ovate or ampullaceous channel.

Fig. 6. Conchopsis navicula  , n. sp.,

×

400

1727

Hinge of the shell, from the right side.

Fig. 7. Conchopsis compressa  , n. sp.,

×

150

1725

Lateral view from the left side. The triangular central capsule with the dark nucleus is visible.

Fig. 8. Conchopsis compressa  , n. sp.,

×

150

1725

Dorsal view of the upper valve with its keel.

Fig. 9. Conchopsis pilidium  , n. sp.,

×

80

1726

The two valves separated and seen obliquely, half from the lateral, half from the internal side. The inner opening of each valve is bordered and partly closed by a broad horizontal velum or diaphragm like the deck of a boat.

PLATE 126.

Legion PHÆODARIA.

Order PHÆOCONCHIA.

Family CŒLOGRAPHIDA.

PLATE 126.

C  ŒLOGRAPHIDA.

Diam.

Page.

Figs. 1-1  c. Cœlographis regina, n. sp.,

1752

Fig. 1. Lateral view. The central capsule it visible between the two valves of the inner shell, the galeæ of which are filled by the phæodium,

×

20

Fig. 1a  . Dorsal view (somewhat obliquely from the left side). The galeæ appear triangular,

×

20

Fig. 1b  . Basal view,

×

20

Fig. 1c  . Distal end of a style,

×

300

Figs. 2-2b. Cœlodecas sagittaria  , n. sp.,

1755

Fig. 2. One valve of the shell, seen from the outside,

×

30

Fig. 2a  . Distal end of a style,

×

300

Figs. 3-3a. Cœlostylus bisenarius  , n. sp.,

1756

Fig. 3. Lateral view of the bivalved shell. The central capsule is visible between the two valves of the inner shell, the galeæ of which are filled by the phæodium,

×

20

Fig. 3a  . Distal end of a style,

×

300

Figs. 4-4a. Cœlagalma mirabile  , n. sp.,

1759

Fig. 4. Dorsal view of the bivalved shell,

×

30

Fig. 4a  . Basal view of the bivalved shell,

×

10

PLATE 127.

Legion PHÆODARIA.

Order PHÆOCONCHIA.

Family CŒLOGRAPHIDA.

PLATE 127.

C  ŒLOGRAPHIDA.

Diam.

Page.

Fig. 1. Cœloplegma murrayanum, n. sp.,

×

40

1757

One valve of the bivalved shell, seen from the inside, of the usual ovate form.

Fig. 2. Cœloplegma murrayanum  , n. sp.,

×

40

1757

One valve of the bivalved shell, seen from the inside, of the rarer polyhedral form, which may be distinguished as a different species (Cœloplegma tritonis, compare p. 1758). h, hemispherical inner valve; g, galea; s  , its base.

Fig. 3. Cœloplegma murrayanum  , n. sp.,

×

40

1757

The entire shell, seen from the base of the aboral pole (dorsal and ventral valve connected by delicate teeth, catching into one another).

Fig. 4. Cœloplegma murrayanum  , n. sp.,

×

100

1757

h, The two hemispherical inner valves of the shell, seen from the right side; n, the central nucleus inside the central capsule; d, the astropyle; g, the galea; t, the nasal tube, arising from its base; m, its mouth; p  , the phæodium, which is partly thrown out by the nasal openings, filling up the galea and nasal tube.

Fig. 5. Cœloplegma murrayanum  , n. sp.,

×

200

1757

h, The two hemispherical inner valves of the shell and the enclosed central capsule, seen from the oral side; d, the radiate operculum of the astropyle, seen in the frontal fissure between the two valves; n, the nucleus; k, the crystals; g, galea; g^1-g^5, the styles arising from the galea; t, nasal tube; m  , mouth of it.

Fig. 6. Cœloplegma murrayanum  , n. sp.,

×

600

1757

Oral part of a central capsule, in profile. o, Opening of the proboscis; d, radiate operculum of the astropyle, which gives rise to the proboscis; e, the outer, i, the inner membrane of the capsule; k, groups of crystals; n  , nucleus.

Fig. 7. Cœloplegma murrayanum  , n. sp.,

×

1000

1757

Three single groups of crystals, taken from the central capsule.

Fig. 8. Cœloplegma murrayanum  , n. sp.,

×

300

1757

One inner valve of the shell, in profile. h, hemispherical valve; g, galea; g^1-g^5, the tubes arising from it; t, rhinocanna or nasal tube; m, its mouth; b  , frenulum.

Fig. 9. Cœloplegma murrayanum  , n. sp.,

×

400

1757

g, The galea; t, rhinocanna of one inner valve; m, its mouth; p, phæodella filling up both the galea and the mouth of the rhinocanna. g^1-g^5, the styles arising from the galea; s, sieve-plate, which separates the cavity of the galea from the hemispherical valve (h  ). View in profile.

Fig. 10. Cœloplegma murrayanum  , n. sp.,

×

300

1757

An anchor-pencil of the outer shell.

Fig. 11. Cœloplegma murrayanum  , n. sp.,

×

1000

1757

A single anchor-thread of a pencil.

Fig. 12. Cœloplegma murrayanum  , n. sp.,

×

300

1757

Terminal branches of a style.

Fig. 13. Cœloplegma murrayanum  , n. sp.,

×

1000

1757

A single terminal branch of a style.

PLATE 128.

Legion PHÆODARIA.

Order PHÆOCONCHIA.

Family CŒLOGRAPHIDA.

PLATE 128.

C  ŒLOGRAPHIDA.

Diam.

Page.

Fig. 1.   Cœlospathis ancorata, n. sp.,

×

50

1754

Lateral view of the entire shell. The central capsule is visible between the two valves of the inner shell. The galeæ and rhinocannæ of the two inner valves are filled up by the black phæodium.

Fig. 2. Cœlospathis ancorata  , n. sp.,

×

100

1754

The two valves of the inner shell; the galeæ and rhinocannæ   of which are filled up by the black phæodium. Between the mouth of the two rhinocannæ is prominent the proboscis of the astropyle, arising from the radiate operculum of the central capsule. The latter contains numerous crystals and a big dark nucleus. Lateral view.

Fig. 3. Cœlospathis ancorata  , n. sp.,

×

200

1754

The rhinocanna or the nasal tube of one valve, and the latticed frenulum which connects its mouth with the top of the galea.

Fig. 4. Cœlospathis ancorata  , n. sp.,

×

80

1754

Distal end of a style.

Fig. 5. Cœlospathis ancorata  , n. sp.,

×

200

1754

Terminal branches of a style.

Fig. 6. Cœlospathis ancorata  , n. sp.,

×

600

1754

Lateral branch of a style, with an anchor-pencil.

Fig. 7. Cœlospathis ancorata  , n. sp.,

×

300

1754

The lateral margins of the latticed valves of the outer shell or mantle, catching into one another, without being connected directly.

Fig. 8. Cœlospathis octostyla  , n. sp.,

×

300

1754

Terminal branches of a style.

Fig. 9. Cœlospathis octodactyla  , n. sp.,

×

400

1755

A single terminal branch of a style.

PLATE 129.

Legion ACANTHARIA.

Orders ACTINELLIDA et ACANTHONIDA.

Families ASTROLOPHIDA, LITHOLOPHIDA, CHIASTOLIDA et ASTROLONCHIDA.

PLATE 129.

ASTROLOPHIDA, LITHOLOPHIDA, CHIASTOLIDA et A  STROLONCHIDA.

Diam.

Page.

Fig. 1.   Actinelius primordialis, n. sp.,

×

100

730

The red central capsule, coloured by carmine, contains numerous intensely stained nuclei.

Fig. 2. Litholophus decapristis  , n. sp.,

×

300

735

The conical central capsule contains numerous nuclei. The calymma exhibits on the distal end of each spine a coronet of myophriscs.

Fig. 3. Chiastolus amphicopium  , n. sp.,

×

150

738

Sixteen diametral spines pierce the spherical, red coloured capsule. The conical sheets of the calymma bear myophriscs.

Figs. 3a, 3b  . Two isolated diametral spines exhibiting the peculiar spiral revolution at their central part,

×

300

Fig. 4. Xiphacantha ciliata  , n. sp.,

×

300

761

The spherical central capsule is coloured red. The yellowish calymma envelops the radial spines completely. The polygonal network of lines, in which the radiating pseudopodia are symmetrically arranged, is partly visible.

Fig. 5. Xiphacantha ciliata  , n. sp.,

×

300

761

The central part of the skeleton, exhibiting the central junction of the radial spines.

Fig. 6. Acanthometron dolichoscion  , n. sp.,

×

300

743

Central capsule of a young specimen; in its upper half the peculiar kidney-shaped nucleus is visible, with its invagination; in the lower half some nucleated yellow cells are visible (intracapsular xanthellæ). These and the nucleus are stained by carmine.

Fig. 7. Acanthometron dolichoscion  , n. sp.,

×

300

743

Cleavage of an isolated nucleus, with four buds.

Fig. 8. Acanthometron dolichoscion  , n. sp.,

×

300

743

A central capsule with four large budding nuclei; and numerous small spherical nuclei produced by gemmation.

Fig. 9. Acanthonia tetracopa  , n. sp.,

×

400

749

Central capsule of s young specimen, with a large, irregularly lobate nucleus.

Fig. 10. Acanthonia tetracopa  , n. sp.,

×

400

749

An isolated nucleus, exhibiting the peculiar invagination, with its circular folds, and the connection with the flatly conical nucleolus.

Fig. 11. Acanthonia tetracopa  , n. sp.,

×

800

749

Four flagellate spores.

PLATE 130.

Legion ACANTHARIA.

Order ACANTHONIDA.

Family ASTROLONCHIDA.

PLATE 130.

A  STROLONCHIDA.

Diam.

Page.

Fig. 1.   Acanthometron bulbiferum, n. sp.,

×

300

745

Fig. 2. Acanthometron cylindricum  , n. sp.,

×

200

743

Fig. 3. Lithophyllium gladiatum  , n. sp.,

×

200

754

Fig. 4. Stauracantha quadrifurca  , n. sp.,

×

300

764

Fig. 5. Stauracantha orthostaura  , n. sp.,

×

200

762

Fig. 6. Phatnacantha icosaspis  , n. sp.,

×

400

765

Fig. 7. Pristacantha polyodon  , n. sp.,

×

300

766

Fig. 8. Pristacantha dodecodon  , n. sp.,

×

300

766

Only the central parts and the leaf-cross.

Fig. 9. Pristacantha octodon  , n. sp.,

×

200

765

PLATE 131.

Legion ACANTHARIA.

Order ACANTHONIDA.

Family QUADRILONCHIDA.

PLATE 131.

Q  UADRILONCHIDA.

Diam.

Page.

Fig. 1.   Quadrilonche mesostaura, n. sp.,

×

300

777

Fig. 2. Quadrilonche platystaura  , n. sp.,

×

100

777

Fig. 3. Xiphoptera dodecactena  , n. sp.,

×

200

778

The central capsule with the central part of the skeleton.

Fig. 4. Lonchostaurus bifurcus  , n. sp.,

×

300

773

Fig. 5. Lonchostaurus crystallinus  , n. sp.,

×

400

773

Fig. 6. Lonchostaurus rhomboides  , n. sp.,

×

200

772

The radial spines are completely enclosed in the rhombic calymma, the surface of which is covered with small plates, similar to those in the shell of the Sphærocapsida.

Fig. 7. Zygostaurus amphithectus  , n. sp.,

×

300

774

The square central capsule envelops the half skeleton.

Fig. 8. Zygostaurus sagittalis  , n. sp.,

×

300

775

Fig. 9. Lithoptera tetraptera  , n. sp.,

×

300

779

Fig. 10. Lithoptera quadrata  , n. sp.,

×

300

780

The central part of the skeleton is enclosed by the four-lobed central capsule.

PLATE 132.

Legion ACANTHARIA.

Orders ACTINELLIDA ET ACANTHONIDA.

Families ASTROLOPHIDA, ASTROLONCHIDA et AMPHILONCHIDA.

PLATE 132.

ASTROLOPHIDA, ASTROLONCHIDA et A  MPHILONCHIDA.

Diam.

Page.

Fig. 1.   Amphilonche lanceolata, n. sp.,

×

300

783

Fig. 2. Amphilonche hydrotomica  , n. sp.,

×

300

786

The spindle-shaped central capsule is filled up with small granules. The clear calymma forms conical sheaths for the spines, with myophriscs.

Fig. 3. Amphilonche diodon  , n. sp.,

×

300

783

Fig. 4. Amphilonche concreta  , n. sp.,

×

100

787

A complete specimen with the cylindrical central capsule.

Fig. 4a  . Central part of the skeleton,

×

400

Fig. 5. Amphilonche violina  , n. sp.,

×

300

787

Fig. 6. Amphilonche conica  , n. sp.,

×

300

785

The ellipsoidal central capsule contains numerous nuclei and is enclosed by the calymma. The conical sheaths of the latter include the radial spines completely and exhibit coronets of myophriscs.

Fig. 7. Acantholonche amphipolaris  , n. sp.,

×

200

790

Fig. 8. Acantholonche peripolaris  , n. sp.,

×

300

791

Fig. 9. Amphibelone pyramidata  , n. sp.,

×

300

789

Fig. 10. Amphibelone cultellata  , n. sp.,

×

400

789

The central capsule contains numerous spherical nuclei and is enclosed by the hyaline calymma, which forms conical sheaths around the spines.

Fig. 11. Stauracantha johannis  , n. sp.,

×

400

763

Basal part of a radial spine, exhibiting the peculiar torsion of the basal leaf-cross and the central apex.

Fig. 12. Astrolophus solaris  , n. sp.,

×

200

732

Fig. 12a  . A group of larger and smaller radial spines united in the centre.

Fig. 12b  . Three isolated spines (one larger and two smaller),

×

200

PLATE 133.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Families SPHÆROCAPSIDA, DORATASPIDA et PHRACTOPELTIDA.

PLATE 133.

SPHÆROCAPSIDA, DORATASPIDA et P  HRACTOPELTIDA.

Diam.

Page.

Fig. 1.   Phractopelta dorataspis, n. sp.,

×

300

852

Fig. 2. Dorypelta tessaraspis  , n. sp.,

×

300

858

Fig. 3. Stauropelta cruciata  , n. sp.,

×

400

859

Fig. 4. Pantopelta icosaspis  , n. sp.,

×

400

855

Meridional section through the double shell.

Fig. 5. Octopelta scutella  , n. sp.,

×

400

856

Proximal part of two meeting spines, isolated.

Fig. 6. Orophaspis furcata  , n. sp.,

×

400

818

Fig. 7. Porocapsa murrayana  , n. sp.,

×

300

800

The central capsule is filled up by spherical vacuoles and enclosed by the porous shell; in the centre radii of small granules (nuclei ?) occur.

Fig. 8. Cannocapsa stethoscopium  , n. sp.,

×

300

801

The shell alone.

Fig. 9. Astrocapsa coronata  , n. sp.,

×

400

799

Middle part of one spine with the four aspinal holes.

Fig. 9a  . Transverse section of a radial spine, with the four surrounding aspinal holes and the neighbouring part of the shell,

×

400

Fig. 10. Astrocapsa stellata  , n. sp.,

×

400

799

Part of one spine, with the aspinal holes and their four triangular teeth.

Fig. 11. Cenocapsa nirvana  , n. sp.,

×

200

802

The entire shell, with its pavement of small plates and the twenty cruciform perspinal holes.

Fig. 11a  . A group of small ovate plates which compose the shell; in each plate a dimple with a porule,

×

400

Fig. 11b  . A cruciform perspinal hole, seen from the face,

×

400

Fig. 11c  . A cruciform perspinal hole, with its four teeth, seen in profile,

×

400

PLATE 134.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Family DORATASPIDA.

PLATE 134.

D  ORATASPIDA.

Diam.

Page.

Fig. 1.   Dodecaspis tricincta, n. sp.,

×

400

834

The enclosed central capsule contains numerous spherical nuclei.

Fig. 2. Lychnaspis minima  , n. sp.,

×

400

841

Six-sided basal pyramid of an equatorial spine, with the leaf-cross, seen from the centre.

Fig. 3. Zonaspis cingulata  , n. sp.,

×

400

834

Equatorial section through the central capsule. n, nuclei; g, yellow bodies (intracapsular xanthellæ).

Fig. 4. Zonaspis cingulata  , n. sp.,

×

800

834

Central pyramidal base of an equatorial spine, with the leaf-cross.

Fig. 5. Stauraspis cruciata  , n. sp.,

×

400

831

Central union of the radial spines, three polar spines being taken off.

Fig. 6. Lychnaspis longissima  , n. sp.,

×

400

841

Fig. 7. Lychnaspis minima, n. sp.,

×

400

841

Five-sided basal pyramid of a tropical spine, with the leaf-cross, seen from the centre.

Fig. 8. Lychnaspis minima  , n. sp.,

×

400

841

Six-sided basal pyramid of a polar spine, with the leaf-cross, seen from the centre.

Fig. 9. Icosaspis elegans  , n. sp.,

×

400

844

An isolated polar plate.

Fig. 10. Icosaspis cruciata  , n. sp.,

×

400

844

An isolated equatorial plate.

Fig. 11, 12. Dorataspis species  ,

×

100

Diagram of the composition of the shell of twenty plates (and also of the central union of the basal leaf-cross).

Fig. 11. Oblique equatorial aspect.

Fig. 12. Accurate polar aspect (compare p. 804, 805  ).

Fig. 13. Coscinaspis isopora  , n. sp.,

×

400

828

An isolated equatorial plate (with two aspinal and six coronal pores).

Fig. 14. Coscinaspis isopora  , n. sp.,

×

400

828

Two isolated tropical plates (b, northern; d  , southern), each with two aspinal and five coronal pores.

Fig. 15. Diporaspis nephropora  , n. sp.,

×

400

816

Fig. 16. Acontaspis hastata  , n. sp.,

×

400

829

PLATE 135.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Families SPHÆROCAPSIDA et DORATASPIDA.

PLATE 135.

SPHÆROCAPSIDA et D  ORATASPIDA.

Diam.

Page.

Fig. 1.   Hylaspis serrulata, n. sp.,

×

300

846

Fig. 2. Lychnaspis undulata  , n. sp.,

×

400

841

Fig. 3. Lychnaspis giltschii  , n. sp.,

×

400

839

The spherical central capsule is enclosed in the shell.

Fig. 4. Lychnaspis rottenburgii  , n. sp.,

×

400

841

Fig. 5. Zonaspis æquatorialis  , n. sp.,

×

300

834

Fig. 6. Sphærocapsa cruciata  , n. sp.,

×

150

798

The entire shell, with its twenty cruciate perspinal holes.

Fig. 7. Sphærocapsa cruciata  , n. sp.,

×

800

798

Insertion of one spine in the cruciate perspinal hole of the shell.

Fig. 8. Sphærocapsa quadrata  , n. sp.,

×

800

798

A group of pores and dimples in the shell surface.

Fig. 9. Sphærocapsa dentata  , n. sp.,

×

800

798

Insertion of one spine in the cruciate perspinal hole of the shell.

Fig. 10. Sphærocapsa pavimentata  , n. sp.,

×

800

798

Insertion of one spine in the perspinal hole of the shell, which is composed of four cruciate aspinal holes and surrounded by a group of dimples and pores.

PLATE 136.

Legion ACANTHARIA.

Orders SPHÆROPHRACTA ET PRUNOPHRACTA.

Families DORATASPIDA et BELONASPIDA.

PLATE 136.

DORATASPIDA et B  ELONASPIDA.

Diam.

Page.

Fig. 1.   Tessaraspis arachnoides, n. sp.,

×

300

836

Fig. 2. Icosaspis tabulata  , n. sp.,

×

200

843

Fig. 3. Icosaspis icosastaura  , n. sp.,

×

400

846

Fig. 4. Icosaspis elegans  , n. sp.,

×

300

844

Fig. 5. Tessaraspis concreta  , n. sp.,

×

400

838

Fig. 6. Phatnaspis cristata  , n. sp.,

×

400

869

Fig. 7. Phatnaspis haliommidium  , n. sp.,

×

200

871

Central capsule within the shell—outline.

Fig. 8. Coscinaspis polypora  , n. sp.,

×

300

827

A single lattice-plate of the shell.

Fig. 9. Phatnaspis lacunaria  , n. sp.,

×

400

869

PLATE 137.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Family DORATASPIDA.

PLATE 137.

D  ORATASPIDA.

Diam.

Page.

Fig. 1.   Phractaspis complanata, n. sp.,

×

400

809

Fig. 2. Phractaspis prototypus  , n. sp.,

×

400

809

Fig. 3. Phractaspis constricta  , n. sp.,

×

400

810

Fig. 4. Pleuraspis horrida  , n. sp.,

×

400

811

Fig. 5. Stauruspis stauracantha  , n. sp.,

×

300

832

Fig. 6. Stauruspis stauracantha  , n. sp.,

×

600

832

A single spine.

Fig. 7. Echinaspis echinoides  , n. sp.,

×

300

833

Fig. 8. Echinaspis echinoides  , n. sp.,

×

800

833

A single spine.

Fig. 9. Coscinaspis parmipora  , n. sp.,

×

400

827

PLATE 138.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Family DORATASPIDA.

PLATE 138.

D  ORATASPIDA.

Diam.

Page.

Fig. 1.   Coscinaspis peripora (vel Dorataspis peripora), n. sp.,

×

300

826

Fig. 2. Dorataspis fusigera  , n. sp.,

×

400

813

Fig. 3. Dorataspis micropora  , n. sp.,

×

300

815

Fig. 4. Dorataspis typica  , n. sp.,

×

300

815

Fig. 4a  . Polar view of the central union of the twenty spines,

×

300

815

Fig. 5. Ceriaspis inermis  , n. sp.,

×

400

821

Fig. 6. Ceriaspis favosa  , n. sp.,

×

400

821

Fig. 7. Hystrichaspis fruticata  , n. sp.,

×

300

825

Fig. 8. Hystrichaspis pectinata  , n. sp.,

×

300

822

Fig. 9. Hystrichaspis furcata  , n. sp.,

×

400

822

Fig. 10. Hystrichaspis dorsata  , n. sp.,

×

300

823

Fig. 11. Hystrichaspis cristata (vel Siphonaspis cristata  , n. sp.),

×

400

823

PLATE 139.

Legion ACANTHARIA.

Order PRUNOPHRACTA.

Families BELONASPIDA et HEXALSPIDA.

PLATE 139.

BELONASPIDA et H  EXALSPIDA.

Diam.

Page.

Fig. 1.   Hexacolpus nivalis, n. sp.,

×

300

880

Fig. 2. Hexalaspis heliodiscus  , n. sp.,

×

300

875

Fig. 3. Hexaconus ciliatus  , n. sp.,

×

300

876

Fig. 4. Hexaconus serratus  , n. sp.,

×

300

877

c, Central base of an equatorial spine; d  , central base of a tropical spine.

Fig. 5. Hexaconus coronatus  , n. sp.,

×

300

877

Fig. 6. Hexaconus velatus  , n. sp.,

×

300

877

Marginal view of the shell.

Fig. 7. Hexaconus vaginatus  , n. sp.,

×

300

877

Fig. 8. Thoracaspis bipennis  , n. sp.,

×

300

862

Fig. 9. Belonaspis datura  , n. sp.,

×

400

863

PLATE 140.

Legion ACANTHARIA.

Order PRUNOPHRACTA.

Families BELONASPIDA, HEXALASPIDA et DIPLOCONIDA.

PLATE 140.

BELONASPIDA, HEXALASPIDA et D  IPLOCONIDA.

Diam.

Page.

Fig. 1.   Diploconus amalla, n. sp.,

×

300

885

Fig. 2. Diploconus hexaphyllus  , n. sp.,

×

300

886

Fig. 3. Diploconus cyathiscus  , n. sp.,

×

300

885

Fig. 4. Diploconus cotyliscus  , n. sp.,

×

400

886

Polar view.

Fig. 5. Diplocolpus serratus  , n. sp.,

×

300

888

Fig. 6. Diplocolpus cristatus  , n. sp.,

×

400

887

Fig. 7. Diplocolpus costatus  , n. sp.,

×

400

887

Fig. 8. Diplocolpus sulcatus  , n. sp.,

×

300

888

Fig. 9. Diplocolpus dentatus  , n. sp.,

×

300

888

Meridional section through the centre of the shell.

Fig. 10. Hexacolpus infundibulum  , n. sp.,

×

300

881

Fig. 11. Hexacolpus trypanon  , n. sp.,

×

300

881

Fig. 12. Hexaconus echinatus  , n. sp.,

×

300

878

Fig. 13. Coleaspis vaginata  , n. sp.,

×

300

866

Meridional section through the shell.

Fig. 14. Coleaspis hydrotomica  , n. sp.,

×

400

867

Fig. 15. Hexonaspis hexapleura  , n. sp.,

×

400

879

A single spine with its thick apophyses.

Fig. 16. Hexonaspis hastata, n. sp.,

×

400

879

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