Verrill, A. Hyatt (Alpheus Hyatt), 1871-1954 · New York, R. M. McBride & co. · leaf 181
5—Fresh Water Snails(See Chapter VI) … 3 Oh O — o V 3 3 &1 FRESH WATER ANIMALS 147 tures may be obtained by the dip-net for fresh-water life is abundant near the surface as well asupon the bottom and the forms of animal life foundin the various parts of a pond or lake are quite dis-tinct. Many of the fresh-water snails or shells…
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