. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. ' and rounded in front. Cardinal line usually straight, and not oblique. Umbonal slope a strong angular ridge, from the beak to the post-inferior margin. A broad, undefined cincture separates off the anterior portion. A strong car- dinal tooth in the leftvalve fits into a depression in the right valve. Ligament external. Goniophora Grabau. (Fig. 168.) (1898: Rep't X. Y. State Geol. 1896: Faun. Ham. (Jr., p. 254.) Distinguishing Characters.— Arcuate cardinal line: p
. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. ' and rounded in front. Cardinal line usually straight, and not oblique. Umbonal slope a strong angular ridge, from the beak to the post-inferior margin. A broad, undefined cincture separates off the anterior portion. A strong car- dinal tooth in the leftvalve fits into a depression in the right valve. Ligament external. Goniophora Grabau. (Fig. 168.) (1898: Rep't X. Y. State Geol. 1896: Faun. Ham. (Jr., p. 254.) Distinguishing Characters.— Arcuate cardinal line: pro- nounced arcuate umbonal ridge, with the surface above the ridge flat or slightly concave; small anterior end, scarcely extending beyond the beaks; numerous strong, regular lines of growth. Found in the Encrinal lime-. Fio. 168. Goniophora modiomorphoides A characteristic right valve. (Original.) stone, at Section 5 (where it is common ). Genits CYPRICARDELLA. Hall. | Ivpy. : Diminutive from Cyprieardia, Cyprina and Canlinm.] (: Trans. Albany Vol. IV.) Shells with equal, inequilateral valves, which are trans- versely sub-elliptical or sub-quadrate in outline. The car- dinal line is straight or arcuate, the anterior end narrowed mid rounded, and the posterior end broad and truncate. A more or less defined umbonal ridge extends from the small pointed beak to the posterior basal angle. Ligament ex- ternal; cardinal teeth, one in each valve. Cypricardella bellistriata. (Conrad.) (Fig. 169.) (Pal. X. Vol. Pt. p. 308, Pis. XLIL. LXXIII., LXXIV.) Distinguishing Characters.— Projecting rounded anterior end, with a distinct depression, or lunule. below the beak;. 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. : The Society
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectnaturalhistory, booky