. Annals of the Lyceum of Natural History of New-York. Science. 482 Description of a XLII.—Description of a New Species of Mollusca of the Genus V^ENcs. Bt Temple Prime. Eead February IT, 1862. Tehus (CJeniiea) Manhattensis, nov. sp. Jay's Cat. iv. ed. Suppl., p. 465—1852. T, parva, triangulari, subsequilaterali, nitid^, transversim striata ; sulcis distantibus; marginibus crenulatis. Shell small, triangular, nearly equilateral; i)eaks somewhat raised, generally eroded ; valves moderately compressed, within white ; exterior shining, white, strise somewdiat Magnified nine times. *=' ' coarse an
. Annals of the Lyceum of Natural History of New-York. Science. 482 Description of a XLII.—Description of a New Species of Mollusca of the Genus V^ENcs. Bt Temple Prime. Eead February IT, 1862. Tehus (CJeniiea) Manhattensis, nov. sp. Jay's Cat. iv. ed. Suppl., p. 465—1852. T, parva, triangulari, subsequilaterali, nitid^, transversim striata ; sulcis distantibus; marginibus crenulatis. Shell small, triangular, nearly equilateral; i)eaks somewhat raised, generally eroded ; valves moderately compressed, within white ; exterior shining, white, strise somewdiat Magnified nine times. *=' ' coarse and distant, thongli regular ; teeth divergent, strong, distinct; muscular and palleal impressions very distinct; sinus small, acute ; inner margin crenulated. Long. \; lat. ?g-'r ; diam. ^l inches. " 3; " 2i; " li milh •': ''•::; 2'^ Hob.—The State of I^ew York, in the East River, and at Green port, L. I. (Cabinets of Jay, Gould, Sanderson Smith, and Prime.) I dredged half a dozen specimens of this species in 1852 at Hell Gate, between Mill Rock and the month of the Harlem river, and having submitted them to Mr, Stimpson, who pro- nounced them distinct from the Venus gemma Totten, I disti-i- buted them as a new species. Since this time Mr. Sanderson Smith has found it at Greenport in more abundance and in company with the Y. gemma. Comparing this species with the Y. gemma, I find that it is smaller, more triangular, less full, less elongated ; its 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 Lyceum of Natural History (New York, N. Y. ). New-York :
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