Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 127
... base , the tooth slanted forward and upward , and then downward . The crown at its anterior margin may have rested upon the incisor , in a position analogous to that of P4 in Stehlinella uintensis ( Matthew ) . A short diastema between ...
... base , the tooth slanted forward and upward , and then downward . The crown at its anterior margin may have rested upon the incisor , in a position analogous to that of P4 in Stehlinella uintensis ( Matthew ) . A short diastema between ...
Сторінка 501
... Base of " Puerco sandstone , " southwest wall of Polecat Basin , T57N , R98W , Sec . 31 , Park County , Wyoming , locality No. 7 on map , text fig . 2 . CHARACTERS . - In nearly all respects the characters of the molars of this species ...
... Base of " Puerco sandstone , " southwest wall of Polecat Basin , T57N , R98W , Sec . 31 , Park County , Wyoming , locality No. 7 on map , text fig . 2 . CHARACTERS . - In nearly all respects the characters of the molars of this species ...
Сторінка 518
... base and tip , and has a delicate ridge running halfway up its posterior surface . A single sharp cusp appears on the posterior border of the narrow heel . P3 simulates P2 in most respects , including size , but has the anterior cusp ...
... base and tip , and has a delicate ridge running halfway up its posterior surface . A single sharp cusp appears on the posterior border of the narrow heel . P3 simulates P2 in most respects , including size , but has the anterior cusp ...
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Why the 200Inch Teleschope By ELIHU THOMSON | 13 |
Antarctica By ISAIAH BOWMAN | 19 |
LINE CUTS | 36 |
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