. Fresh-water biology. Freshwater biology. FRESH-WATER BIOLOGY 123 (124) Shell thin; hinge edentulous; beak sculpture consisting of several more or less doubly-looped parallel ridges, often slightly nod- ulous on the loops. Anodonta Lamarck. This genus is the only one of the North American Naiades that has a general distribution from the Atlantic to the Pacific. Numerous species are recognized. They are easily distin- guished by the edentulous hinge and double loop of the beak sculpture. Example, A. grandis Say (Fig. 1493; X i).. Please note that these images are extracted from scanned page im
. Fresh-water biology. Freshwater biology. FRESH-WATER BIOLOGY 123 (124) Shell thin; hinge edentulous; beak sculpture consisting of several more or less doubly-looped parallel ridges, often slightly nod- ulous on the loops. Anodonta Lamarck. This genus is the only one of the North American Naiades that has a general distribution from the Atlantic to the Pacific. Numerous species are recognized. They are easily distin- guished by the edentulous hinge and double loop of the beak sculpture. Example, A. grandis Say (Fig. 1493; X i).. 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 Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint author. New York, John Wiley & sons, inc. ; [etc. ,etc. ]
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918
