. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. 247 Leioptekia rafinesquii. Hall. (Fig. 162.) (Pal. X. Vol. V., Pt. I., p. 161, Pis. XX., LXXXVI1I.) Distinguishing Characters.— Oblique, narrowly ovate body, with height equal to or greater than the length; flat wing, with concave margin and acute extremity; short, obtuse, convex ear. Found in the Demissa bed (very rare).. Fig. 162. Leiopteria rafin- esquii. A left valve (from Hall). Leioptekia conradi. Hall. (Fig. 162A.) (Pal. X. Y., Vol. V., Pt. I., p. 159, Pis. XX, LXXXVIII
. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. 247 Leioptekia rafinesquii. Hall. (Fig. 162.) (Pal. X. Vol. V., Pt. I., p. 161, Pis. XX., LXXXVI1I.) Distinguishing Characters.— Oblique, narrowly ovate body, with height equal to or greater than the length; flat wing, with concave margin and acute extremity; short, obtuse, convex ear. Found in the Demissa bed (very rare).. Fig. 162. Leiopteria rafin- esquii. A left valve (from Hall). Leioptekia conradi. Hall. (Fig. 162A.) (Pal. X. Y., Vol. V., Pt. I., p. 159, Pis. XX, LXXXVIII.) Distinguishing Characters.— Strong obliquity; hinge line longer than length of valve, greatly extended posteriorly;. 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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