. Annual report of the Regents of the University on the condition of the State Cabinet of Natural History, with catalogues of the same. State Cabinet of Natural History (N. Y. ); Science; Museums. No. 109.] 45 the width of the shell; area broad, flat, sometimes nearly on a plane with the greater diameter of the shell,; foramen closed. Surface marked by prominent rounded strise, which increase by implantation, and are crossed at intervals by distinct subimbri- cating concentric lines of growth. This shell has much the general habit of O. nmbracidum oi the Car- boniferous system., but is not res
. Annual report of the Regents of the University on the condition of the State Cabinet of Natural History, with catalogues of the same. State Cabinet of Natural History (N. Y. ); Science; Museums. No. 109.] 45 the width of the shell; area broad, flat, sometimes nearly on a plane with the greater diameter of the shell,; foramen closed. Surface marked by prominent rounded strise, which increase by implantation, and are crossed at intervals by distinct subimbri- cating concentric lines of growth. This shell has much the general habit of O. nmbracidum oi the Car- boniferous system., but is not resupinate. Orthis multistriata (n. s,)- Pal. Vol. iii, pi. 15, f. 2. Shell circular or transversely suboval: ventral valve most convex near the beak, depressed so as to form a broad shallow undefined sinus, which sometimes gives to the front a subemarginate aspect; beak a little more prominent than the opposite, slightly incurved : dorsal valve more elevated, most convex between the middle and the beak; beak rising above the hinge, obtuse and incurved; hinge-line straight, about half the width of the shell; area small ; foramen narrow, extending nearly to the apex. Surface marked by fine, crowded, nearly equal strise, which increase chiefly by implantation, and are crossed by a few faint concentric lines of grow^th. Closely related to tbe ventricose varieties of Orlhis resupiiiala, and also to the Orthis striatida of D' 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 State Cabinet of Natural History (N. Y. ); University of the State of New York. Board of Regents. Albany, N. Y. : University of the State of New York
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectm, booksubjectscience
