. Bulletin - New York State Museum. Science. Probolaeum ? canadense found, though these bodies are known from several horizons in the transatlantic Devonic. There is noteworthy similarity in the form and aspect of P. c a n a de nse to Chiton sagittalis Sandberger (Stringocephalus limestone).^ Lozver Devonic. St. Alban 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. Aviculopecten alcis outline. Curvature of the margin gently convex in front and an
. Bulletin - New York State Museum. Science. Probolaeum ? canadense found, though these bodies are known from several horizons in the transatlantic Devonic. There is noteworthy similarity in the form and aspect of P. c a n a de nse to Chiton sagittalis Sandberger (Stringocephalus limestone).^ Lozver Devonic. St. Alban 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. Aviculopecten alcis outline. Curvature of the margin gently convex in front and anterolaterally, narrowed and slightly produced behind. Bodv 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 1 Verstein. rhein. Schichtensys. p. 239, pi. 26, fig. 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; New York State Museum. Albany : New York State Education Dept
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