Pond Snail Small 167×320 Medium 335×640 Large 536×1024 Download Tiff Original 1256×2400 | (2.9 MB) Description Variations in a common pond snail. Keywords Gastropods, pond snails, shells, snails, types of shells Galleries Snails and Slugs Source: Buel P. Colton, Zoology: Descriptive and Practical (Boston:D.C. Heath & Co., 1903) 133
