Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 67American Philosophical Society, 1928 |
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Сторінка vi
... molar tooth of American Indian from Tarasco , Mexico . Left side of mandible of Dryopithecus fricka , of the Miocene ... molar teeth . Diagram Diagram White Spruce ( Picea Canadensis ) • . 141 142 158 . 159 . 160 . 161 163 164 . 165 ...
... molar tooth of American Indian from Tarasco , Mexico . Left side of mandible of Dryopithecus fricka , of the Miocene ... molar teeth . Diagram Diagram White Spruce ( Picea Canadensis ) • . 141 142 158 . 159 . 160 . 161 163 164 . 165 ...
Сторінка 157
... Molar Teeth of Man , " it is possible to point out : 1. That the fundamental pattern of the human lower molar teeth is essentially primitive , that is , of anthropoid origin ; 2. That the pattern is undergoing a gradual and progressive ...
... Molar Teeth of Man , " it is possible to point out : 1. That the fundamental pattern of the human lower molar teeth is essentially primitive , that is , of anthropoid origin ; 2. That the pattern is undergoing a gradual and progressive ...
Сторінка 158
... molar teeth of man is not specifically human . It is shared equally by all anthropoid apes and is derived from a primitive stem form commonly related to both man and apes . f.a. FIG . 1. - Lower first molar tooth of American Indian from ...
... molar teeth of man is not specifically human . It is shared equally by all anthropoid apes and is derived from a primitive stem form commonly related to both man and apes . f.a. FIG . 1. - Lower first molar tooth of American Indian from ...
Сторінка 159
... molar crown , these grooves 2 FIG . 2. - Left side of mandible of Dryopithecus fricka , of the Miocene of India , showing the earliest manifestation of the " Dryopithecus pattern " are distributed in a definite way . As the two outer ...
... molar crown , these grooves 2 FIG . 2. - Left side of mandible of Dryopithecus fricka , of the Miocene of India , showing the earliest manifestation of the " Dryopithecus pattern " are distributed in a definite way . As the two outer ...
Сторінка 160
... molar teeth . Diverse modifi- cations in Orang and Chimpanzee in form of enamel wrinkles tend to obscure it , but the general outline is clearly discernible example , it will be seen that the base of. 160 MILO HELLMAN.
... molar teeth . Diverse modifi- cations in Orang and Chimpanzee in form of enamel wrinkles tend to obscure it , but the general outline is clearly discernible example , it will be seen that the base of. 160 MILO HELLMAN.
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104 SOUTH FIFTH adrenals airplane Alaska American Philosophical Society amphibian anthropoid atom Bohr brachiating Buriats cell chimpanzee cholesterol climate coast container corals correspondence cusp cusp formula Diatryma digit distance Dryopithecus Dryopithecus pattern electron Eocene evolution fact feet flight frequency gorilla groove system hand humerus hydrogen known layer lecithin Lewis Lewis's lichens limb lipoids lobe-finned lobe-finned fishes LOWER MOLAR PATTERN lower molar teeth mammals McMahon measured meteorological methods motion muscles natural Negroes Notharctus nucleus observations observatories Omorhamphus orbits parallax pectoral Pedro Dome Philadelphia photographic plants plate present primates primitive problem Professor proper motions Pursh rainfall rigid airships Sajous scientific seeds septa shoulder-girdle SOUTH FIFTH STREET species specimen stage stars stellar distances surface temperature tetrapod theory third molar tissue trees Trianaeopiper trochlear process tundra vegetation velocity weather White Spruce winds winter