Hard clam; round clam; Quahog, with foot, siphons and edge of mantle extended.
Buel P. Colton, Zoology: Descriptive and Practical (Boston:D.C. Heath & Co., 1903) 121
TIFF (full resolution)
2400×1552, 616.4 KiB
Large GIF
1024×662, 93.3 KiB
Medium GIF
640×413, 48.3 KiB
Small GIF
320×206, 16.7 KiB