Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Томи 11 – 12American Philosophical Society, 1967 |
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Сторінка 184
... anterior columns ; the posterior strongly convex backwards and outwards . The other , similar molar , differs in the posterior outline being more nearly transverse , and the anterior out- lines being united by a continuous curve . The ...
... anterior columns ; the posterior strongly convex backwards and outwards . The other , similar molar , differs in the posterior outline being more nearly transverse , and the anterior out- lines being united by a continuous curve . The ...
Сторінка 244
... anterior crest ..... " posterior " Length posterior outer area . 66 anterior 66 66 .... 66 66 66 " with crest .. In . Lin . 6 6 9 1 6 2 5 7 .1 7.5 2 6 2 10.5 66 inner area ....... From the upper cretaceous green - sand bed at ...
... anterior crest ..... " posterior " Length posterior outer area . 66 anterior 66 66 .... 66 66 66 " with crest .. In . Lin . 6 6 9 1 6 2 5 7 .1 7.5 2 6 2 10.5 66 inner area ....... From the upper cretaceous green - sand bed at ...
Сторінка 534
... anterior series of three the lateral grooves have disappeared from the centra ; the neural canal is very small , and the spines are very massive and curved back- wards , but much less than in the more posterior parts of the column ...
... anterior series of three the lateral grooves have disappeared from the centra ; the neural canal is very small , and the spines are very massive and curved back- wards , but much less than in the more posterior parts of the column ...
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Acad Amer anal anal fin article-pronouns band base beds Black Shale bone Brinton broad Carboniferous Catawba River caudal fin characters Chemung Clay Coal color convex Cope Creek cretaceous dentary depth Devonian diameter distal distinct dorsal fin Edmondia elevated elongate extremity feet fossils French Broad River genus Geol geological Goniatites groove Hall Hayden inches inferior inner interorbital Jour lateral line latter Leidy limb Limestone longitudinal margin Marshall group maxillary median miles molar Mosasaurus motion mountains muzzle nearly Neuse River nouns oblique Ohio operculum orbit outer pectoral pesah pesoh Phil pisah plane plastron plate plerumque portion posterior premaxillary present Proc Prof pronouns prope Philadelphia radii region ridge River rocks Sand sandstones scales side Slate Society species specimens spine spots strata surface suture takchi teeth thick tion tooth transverse upper ventral verbs vertebræ Waverly width Winchell yellow