. Bulletin - United States National Museum. Science. Figure i&.—Meiachriacus punitor Simpson, small variation, no. 9270, right lower jaw, internal view. Twice natural Figure i'd.—Metachuacus punitor Simpson, no. 9331, left M'-', crown view. Four times natural size. Diagnosis.—Heel of P4 expanded, basined, squarely truncated pos- teriorly. Molar crenulation moderate. Mi_2 less wedge-shaped. Measurements given in tables 42 and 43. Discussion.—My earlier publication on the two species here united was confused and incorrect. By a misinterpretation of a small worn speci
. Bulletin - United States National Museum. Science. Figure i&.—Meiachriacus punitor Simpson, small variation, no. 9270, right lower jaw, internal view. Twice natural Figure i'd.—Metachuacus punitor Simpson, no. 9331, left M'-', crown view. Four times natural size. Diagnosis.—Heel of P4 expanded, basined, squarely truncated pos- teriorly. Molar crenulation moderate. Mi_2 less wedge-shaped. Measurements given in tables 42 and 43. Discussion.—My earlier publication on the two species here united was confused and incorrect. By a misinterpretation of a small worn specimen and by the acceptance of an incorrect association, I was led to place a few of these specimens in Chriacus and therefore I did not. 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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