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. Elements of zoölogy. Zoology. 66 MOLLUSC A. snails, interesting from the great variations of the shell. The eggs are laid in capsules (Fig. 69), in a jelly-like mass, late in the spring. In the winter they hibernate in the mud ; 320 species are known. Land-Snails (Heliadce).—Three thousand three hun- dred and thirty-two species of these are known in various. FlG. 70.—Air-breathing gasteropods : Snails and slugs. A, garden snail {Helix) ; B, B, slug Testacella—one disappeai-ing into the ground, and only the tail showing ; C, the great gray slug (Limax) ; s, shell; t, ten- tacles ; e, eyes ; b

. Elements of zoölogy. Zoology. 66 MOLLUSC A. snails, interesting from the great variations of the shell. The eggs are laid in capsules (Fig. 69), in a jelly-like mass, late in the spring. In the winter they hibernate in the mud ; 320 species are known. Land-Snails (Heliadce).—Three thousand three hun- dred and thirty-two species of these are known in various. FlG. 70.—Air-breathing gasteropods : Snails and slugs. A, garden snail {Helix) ; B, B, slug Testacella—one disappeai-ing into the ground, and only the tail showing ; C, the great gray slug (Limax) ; s, shell; t, ten- tacles ; e, eyes ; b Stock Photo
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Paul Fearn / Alamy Stock Photo

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RCEABW

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1655 x 1509 px | 28 x 25.6 cm | 11 x 10.1 inches | 150dpi

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. Elements of zoölogy. Zoology. 66 MOLLUSC A. snails, interesting from the great variations of the shell. The eggs are laid in capsules (Fig. 69), in a jelly-like mass, late in the spring. In the winter they hibernate in the mud ; 320 species are known. Land-Snails (Heliadce).—Three thousand three hun- dred and thirty-two species of these are known in various. FlG. 70.—Air-breathing gasteropods : Snails and slugs. A, garden snail {Helix) ; B, B, slug Testacella—one disappeai-ing into the ground, and only the tail showing ; C, the great gray slug (Limax) ; s, shell; t, ten- tacles ; e, eyes ; b, breathing-hole. parts of the world. They are easily kept in a fernery and their habits watched. Many of the snails (Fig. 70, A) de- posit large white or yellow eggs with a calcareous covering. The Bulimus (Fig. 71), an ally, rolls two leaves together and fastens the eggs between. Some of their eggs are as large as a pigeon's.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Holder, Charles Frederick, 1851-1915; Holder, Joseph Bassett, 1824-1888, joint author. New York : D. Appleton and company

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