. Bulletin - American Museum of Natural History. Natural history; Science. 462 Bulletin American Museum of Natural History. [Vol. XXII,[ species is named after Mr. Scudder, who first indicated the presence of Mollusca in these beds. Cyrenidae. Sphaerium Scopoli. Sphaerium florissantense sp. no v. Fig. 5- Length 8^, breadth 10 mm., with rounded outline I'ke that of the European 5. corneufn; beaks not protruding or prominent; sculp- ture consisting of fine but distinct concentric striae, 4 to 6 in about 150/^. Florissant; Station 14 (W- P. Cockerell). Several Very much Hke 5. rugosum
. Bulletin - American Museum of Natural History. Natural history; Science. 462 Bulletin American Museum of Natural History. [Vol. XXII,[ species is named after Mr. Scudder, who first indicated the presence of Mollusca in these beds. Cyrenidae. Sphaerium Scopoli. Sphaerium florissantense sp. no v. Fig. 5- Length 8^, breadth 10 mm., with rounded outline I'ke that of the European 5. corneufn; beaks not protruding or prominent; sculp- ture consisting of fine but distinct concentric striae, 4 to 6 in about 150/^. Florissant; Station 14 (W- P. Cockerell). Several Very much Hke 5. rugosum Meek, from the supposed Miocene of Nevada, but a little larger rJsante»se^'o"'^^Z ^^'^ witliout the promincut beaks. Smaller and strongly convex shells from Stations i (Rohwer) and 9 (W. P. C.) appear to be the 3^oung of this 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 American Museum of Natural History; Allen, J. A. (Joel Asaph), 1838-1921. New York [American Museum of Natural History]
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