Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 83American Philosophical Society, 1940 |
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Результати 1-3 із 48
Сторінка 264
... ridges from first serration , middle ridge very short and small . P4 with single low concave cuspidate shearing ridge and incomplete external row of small cuspules ......... .. PTILODONTINE Ptilodus .Ectypodus Mesodma .Prochetodon 2. P ...
... ridges from first serration , middle ridge very short and small . P4 with single low concave cuspidate shearing ridge and incomplete external row of small cuspules ......... .. PTILODONTINE Ptilodus .Ectypodus Mesodma .Prochetodon 2. P ...
Сторінка 271
... ridge extending downward from it and another directed posteriorly . On some specimens there is also a minute antero - lingual ridge and a distinct but shallow vertical groove on the anterior side of the crown and extra - alveolar part ...
... ridge extending downward from it and another directed posteriorly . On some specimens there is also a minute antero - lingual ridge and a distinct but shallow vertical groove on the anterior side of the crown and extra - alveolar part ...
Сторінка 293
... ridges leading to the second and third serrations branch from a single ridge , as they do on Princeton nos . 14539 and 14523. This char- acteristic has been noted above in the much larger Anconodon , but in this latter genus the ridge ...
... ridges leading to the second and third serrations branch from a single ridge , as they do on Princeton nos . 14539 and 14523. This char- acteristic has been noted above in the much larger Anconodon , but in this latter genus the ridge ...
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PROCEEDINGS AUG 6 | 2 |
FOR PROMOTING USEFUL KNOWLEDGE | 5 |
PAGE | 15 |
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Загальні терміни та фрази
acetylcholine achondroplasic adolescent spurt age of percentage American Anconodon ateliotic babies birth bizygomatic width boys catfish cent cephalic index change with age correlation cranial capacity cranium cretin culture curves of change curves of growth cusps dimensions Ectypodus Eocene Eucosmodon fauna female fiber Fort Union fraternity genus girls growth curves growth of Head head girth head height head length head width incisor increase Individual curves Lebo lower jaw LVD series M₁ male mammals Mass curves mean measured melanophores Mesodma meteor metrazol metrazol treatment microcephalic Microcosmodon Mimetodon mongoloid months morphologic face height multituberculates myelin nasion Negro nerve Nordic Paleocene Pentacosmodon percentage ratio physiognomic face height Pliocene Polecat Bench post-auricular post-natal posterior Prochetodon Ptilodus Racial relatively Rock Bench serrations sets of ordinates shows slope species specimens standard stature tadpoles teeth Tertiary tion tooth twins and special upper