The American Naturalist, Том 21Essex Institute, 1887 |
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Стр. 657
... Hyracotherium . M. Pavlow concludes her review with the following proposi- tions : 1. The Condylarthra is a mixed ... Hyracotherium leporinum should perhaps be regarded as the representative of the Phenacodontidæ in Europe , and that the ...
... Hyracotherium . M. Pavlow concludes her review with the following proposi- tions : 1. The Condylarthra is a mixed ... Hyracotherium leporinum should perhaps be regarded as the representative of the Phenacodontidæ in Europe , and that the ...
Стр. 658
... Hyracotherium leporinum Owen ( type of the genus ) belongs to the Condylarthra . But Owen and Cope have shown close allies ( one of which , Pliolophus vulpiceps , is thought by Lydekker to be identical with it ) to be undoubted Perisso ...
... Hyracotherium leporinum Owen ( type of the genus ) belongs to the Condylarthra . But Owen and Cope have shown close allies ( one of which , Pliolophus vulpiceps , is thought by Lydekker to be identical with it ) to be undoubted Perisso ...
Стр. 986
... Hyracotherium venticolum , right fore - foot , two - thirds natural size . Original . the amblypodous . The only other conceivable path would have been through a type in which the scaphoid had extended over the magnum , while the lunar ...
... Hyracotherium venticolum , right fore - foot , two - thirds natural size . Original . the amblypodous . The only other conceivable path would have been through a type in which the scaphoid had extended over the magnum , while the lunar ...
Стр. 990
... Hyracotherium , 1 These are frequently accompanied by an additional external cusp , which springs from the anterior external angle of the crown . ( See Figs . 4 , 8 , 10 ) Proceedings Academy Philada . , 1878 , p . 45. Although ...
... Hyracotherium , 1 These are frequently accompanied by an additional external cusp , which springs from the anterior external angle of the crown . ( See Figs . 4 , 8 , 10 ) Proceedings Academy Philada . , 1878 , p . 45. Although ...
Стр. 993
... Hyracotherium in the Lophidontidae ) would be necessary to obliterate this difference is quite clear . How readily the transverse - crested lower molar can be modified into the V - bearing type may be seen by comparing the inferior ...
... Hyracotherium in the Lophidontidae ) would be necessary to obliterate this difference is quite clear . How readily the transverse - crested lower molar can be modified into the V - bearing type may be seen by comparing the inferior ...
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Amer AMERICAN NATURALIST animals appear Artiodactyla Bering Island bones botany breed called cells character chemical color compounds conclusions Condylarthra contains crystals cusps described dike E. D. Cope Eocene evolution eyes facts fauna feet figures fossils four Gard genera genus geological geologists geology Göhrde groups Heptodon hornblende hornless stags horns hundred Hyracotherium Ichthyosaurus incisors inferior molar infra-spinous insects Island J. B. LIPPINCOTT COMPANY known Lambdotherium larvæ lower Menodus mineral Miocene molars natural North notes observed occur original paper Philadelphia plane plants plates polled cattle pollinia portion premolars present probably Proc Prof Professor Protohippus published recently region represented River rocks sandstone says scapular scapular index schists scientific sea-cow sections seen side skull species specimens Spiders structure student superior molars synonymy Taconic teeth tion varieties Vilmorin XXI.-NO