. Annual report. New York State Museum; Science; Science. Probolaeum canadense found, though these bodies are knowm from several horizons in the transatlantic Devonic. There is noteworthy similarity in the form and aspect of P. canadense to Chiton sagittalis Sandberger (Stringocephalus limestone).1 Lozver Devonic. St. xAdban beds, Cape Rosier Cove, P. O. PELECYPODS Aviculopecten alcis nov. Shell slightly oblique with anterior beak and short anterior wing. Hinge and posterior wing not extending as far back as the shell. A v i c ulo p alcis outline. Curvature of the margin gently convex in front


. Annual report. New York State Museum; Science; Science. Probolaeum canadense found, though these bodies are knowm from several horizons in the transatlantic Devonic. There is noteworthy similarity in the form and aspect of P. canadense to Chiton sagittalis Sandberger (Stringocephalus limestone).1 Lozver Devonic. St. xAdban beds, Cape Rosier Cove, P. O. PELECYPODS Aviculopecten alcis nov. Shell slightly oblique with anterior beak and short anterior wing. Hinge and posterior wing not extending as far back as the shell. A v i c ulo p alcis outline. Curvature of the margin gently convex in front and anterolateral^,- narrowed and slightly produced behind. Body of the shell gently convex; length and hight equal. Surface covered by fine radial riblets of unequal size, close together, generally with some tendency to fasciculation behind, fine and fainter and closely crowded in front. These are all crossed bv verv fine concentric Verstein. rhein. Schichtensys. p. 239, pi. 26, fig. 2;. 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 New York State Museum. Albany : University of the State of New York


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902