Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 83American Philosophical Society, 1940 |
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Сторінка 269
... known to differ in the skull ( and also the dentition and lower jaw ) . Ptilodus is , indeed , an excellent structural ancestor for Taniolabis . " These estimates of degrees of specialization are difficult to evaluate and are of little ...
... known to differ in the skull ( and also the dentition and lower jaw ) . Ptilodus is , indeed , an excellent structural ancestor for Taniolabis . " These estimates of degrees of specialization are difficult to evaluate and are of little ...
Сторінка 313
... known , but it is of uniform structure among the three known individuals , differing greatly in this respect from the highly variable P3 of Ptilodus . Six cusps on P3 is the median and norm for P. montanus , and four for P. mediævus ...
... known , but it is of uniform structure among the three known individuals , differing greatly in this respect from the highly variable P3 of Ptilodus . Six cusps on P3 is the median and norm for P. montanus , and four for P. mediævus ...
Сторінка 675
FAUNAS Zoological Characters and History It is well known that South America had a unique and bizarre assemblage of mammals during the Tertiary . In the middle Tertiary , particularly , these were entirely unlike those of any other known ...
FAUNAS Zoological Characters and History It is well known that South America had a unique and bizarre assemblage of mammals during the Tertiary . In the middle Tertiary , particularly , these were entirely unlike those of any other known ...
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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