Half hours with the lower animals : protozoans, sponges, corals, shells, insects, and crustaceans

This edition had all images removed. Title: Half hours with the lower animals : protozoans, sponges, corals, shells, insects, and crustaceans Contents: Inhabitants of a drop of water -- The sponges -- The jellyfishes -- The sea anemones -- The corals -- The stone lilies -- The stars of the sea -- Ocean hedgehogs -- The sea cucumbers -- The worms -- The two-valved shells -- The univalves -- The cuttlefishes -- The crustaceans -- From barnacles to lobsters -- The crabs -- Luminous crabs --...