. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. of the shell visible only in the most perfectly preserved specimens. Found in the black Naples (Gardeaii) shales of the Lake Shore; in the gray Naples (Cashaqua) shales, at Section 1; in the Genesee shales (especially abundant in the lower l)lack bands of Section 1, etc.); and on the Lake Shoi-e; in the Styliolina layer (rare); in the lower Hamilton shales, be- tween nine and twelve feet below the Enerinal limestone, at Section 7 (one specimen); also in the Transition shales, on the Lake Shore; and in the Mar- cel
. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. of the shell visible only in the most perfectly preserved specimens. Found in the black Naples (Gardeaii) shales of the Lake Shore; in the gray Naples (Cashaqua) shales, at Section 1; in the Genesee shales (especially abundant in the lower l)lack bands of Section 1, etc.); and on the Lake Shoi-e; in the Styliolina layer (rare); in the lower Hamilton shales, be- tween nine and twelve feet below the Enerinal limestone, at Section 7 (one specimen); also in the Transition shales, on the Lake Shore; and in the Mar- cellus shales, on the Lake Shore (where the species is common). LUNULICAIJDIUM OKXATUM. Hall. (Fig. 184.) (Pal. ,Yol. v., Pt. L, p. 437, PL LXXL) Dis tingu ish in o- Cliararters.— Large size; broadly obovate out- line; forty-five to sixty regular flattened radiating ])lications, with narrow interspaces, and crossed b}^ closely-arranged, undulating, lamellose. concentric stri;v. Found (?| in the lower Genesee shale, at Section 1 (very rare). LuNXLirAunirM cukttm. Hall. (Fig. 185.) (Pal. N. Y., Vol. Pt. L, p. 437, PI. LXXL) Distinguisliing Cliaracters.— Sub-trigonal outline; long truncated end. with a thickening along the margin; twenty-five to thirty narrow rounded, or sub-angu- lar plications, with wider interspaces, crossed by fine lamellose concentric striae. Found "in the Marcellus shale, at Alden, Erie County, N. Y., and in the Hamilton shales ^* * * at * * * (Hall.) Fig. 184. Lunulicardium ornu- tum. A right valve, from the Chemung group (from Hall).. Fig. 185. Lunulicardium curium. Right valve, from the Marcellus shale of Alden, Erie Co., N. Y. (from Hall). Hamburg, N. ;. 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 S
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