. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Philippi and Dall have well described the characters of this interesting shell. The general shape is that of Tagelus divisus, but the texture and solidity and internal marginal grooving re- semble Donax. The smooth surface shows suppressed radial sculpture which on weathered specimens is much more pro- nounced. There are two cardinals on the right and three on the left valve. Several specimens are present in the collection from the Oaxaca Pleistocene. Recent specimens of the species were colle
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Philippi and Dall have well described the characters of this interesting shell. The general shape is that of Tagelus divisus, but the texture and solidity and internal marginal grooving re- semble Donax. The smooth surface shows suppressed radial sculpture which on weathered specimens is much more pro- nounced. There are two cardinals on the right and three on the left valve. Several specimens are present in the collection from the Oaxaca Pleistocene. Recent specimens of the species were collected by the junior author at Loc. 27223 (C. A. S.), Mazatlan, Sinaloa, Mexico; at Loc. 27217 (C. A. S.), Tenacatita Bay, Jalisco, Mexico; and a fine series of specimens was secured at Loc. 27230 (C. A. S.), Petatlan Bav, Guerrero, PLATE 18 AmpMchasna kindermanni Philippi. Recent specimens from Petatlan Bay, Guerrero Mexico. A. View of the interior of right valve, plesiotype No. 6954 (C. A. S. Type Coll.) ; length of valve mm. B. View showing details of hinge of valve shown in figure A. C. View of hinge of left valve, plesiotype No. 6955 (C. A. S. Type Coll.). 72. 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 Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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