. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 241 "'S •> ^p^'. Fig. 152. Avicidopecten pr'n (from Hall). A Uu'ge left valve, much extended posteriorly Found in the Encrinal limestone, at Section 5 (rare); in the shale down to and in the Trilobite beds, at Sections (3, 7, 8, and on the Lake Shore (rare); also in the shale below the Trilobite beds, in Averv's Creek. AvicuLOPECTEX EXACUTrs. Hall. (Fig. 1,) (, Vol, V,, Pt, I„ p. 8, PI, III.) IHstingiushing Characters.— Beak more acute than in the preceding species: proportionally larger wing;

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. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 241 "'S •> ^p^'. Fig. 152. Avicidopecten pr'n (from Hall). A Uu'ge left valve, much extended posteriorly Found in the Encrinal limestone, at Section 5 (rare); in the shale down to and in the Trilobite beds, at Sections (3, 7, 8, and on the Lake Shore (rare); also in the shale below the Trilobite beds, in Averv's Creek. AvicuLOPECTEX EXACUTrs. Hall. (Fig. 1,) (, Vol, V,, Pt, I„ p. 8, PI, III.) IHstingiushing Characters.— Beak more acute than in the preceding species: proportionally larger wing; concave ])os- terior margin: sharp alternating rays, with broad concave interspaces, extending into the ear and 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 Buffalo Society of Natural Sciences. Buffalo, N. Y. : Buffalo Society of Natural Sciences

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Keywords: ., bookcentury1800, bookdecade1870, books, booksubjectnaturalhistory