. Annual report. New York State Museum; Science; Science. Lingula elliptica the rest of the outline. Surface low and evenly curved, margin bordered all the way round by a narrow flattened area; exterior marked by concentric lines of the usual style. On the interior of the dorsal valve is a long and low median ridge or septum, but in the ventral valve there is no such feature. Length 19 mm, width 10 mm. Lower Devonic. Grande Greve and Perce rock, P. Q. Glossina acer nov. Shell of relatively large size, subtriangular, with acute and prom- inent beak from which the margins diverge rapidly for mor
. Annual report. New York State Museum; Science; Science. Lingula elliptica the rest of the outline. Surface low and evenly curved, margin bordered all the way round by a narrow flattened area; exterior marked by concentric lines of the usual style. On the interior of the dorsal valve is a long and low median ridge or septum, but in the ventral valve there is no such feature. Length 19 mm, width 10 mm. Lower Devonic. Grande Greve and Perce rock, P. Q. Glossina acer nov. Shell of relatively large size, subtriangular, with acute and prom- inent beak from which the margins diverge rapidly for more than. Glossina acer two thirds the length of the shell, the distance across the pallia! surface being four fifths the length of the shell. Anterior margin broad and nearly transverse. Surface covered by sharply elevated. 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
