Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 46
... Pass in Hazara ( N.-W. Himalayas ) , where it is said to be found in profusion . The bearings of these occurrences in a dis- cussion of the broad question of distribution will be considered below . ( d ) Neocomian in German East Africa ...
... Pass in Hazara ( N.-W. Himalayas ) , where it is said to be found in profusion . The bearings of these occurrences in a dis- cussion of the broad question of distribution will be considered below . ( d ) Neocomian in German East Africa ...
Page 71
... passes abruptly , though without marked cari- nation , into an extensive , flat frontal face , truncating the shell ... pass along the frontal face , gradually approaching the frontal valve - margin and forming an acute angle with this ...
... passes abruptly , though without marked cari- nation , into an extensive , flat frontal face , truncating the shell ... pass along the frontal face , gradually approaching the frontal valve - margin and forming an acute angle with this ...
Page 75
... p . 28 , pl . v . , figs . 14 , 15 ( 1904 ) . † Woods ( 3 ) , vol . ii . , part 1 , p . 31 , pl . v . , figs . 16-20 ( 1904 ) . variation . The convex fold of the valve , passing The Invertebrate Fauna of the Uitenhage Series . 75 31 262 2.
... p . 28 , pl . v . , figs . 14 , 15 ( 1904 ) . † Woods ( 3 ) , vol . ii . , part 1 , p . 31 , pl . v . , figs . 16-20 ( 1904 ) . variation . The convex fold of the valve , passing The Invertebrate Fauna of the Uitenhage Series . 75 31 262 2.
Page 76
South African Museum. variation . The convex fold of the valve , passing back from the umbo , is marked off from a small , flattened , marginal portion of the valve between the fold and the antero - inferior margin near the umbonal end ...
South African Museum. variation . The convex fold of the valve , passing back from the umbo , is marked off from a small , flattened , marginal portion of the valve between the fold and the antero - inferior margin near the umbonal end ...
Page 82
... passes backwardly by a curve into the obliquely sloping posterior margin , which is only very slightly convex in outline until the posterior end of the valve is reached . In profile , the antero - ventral margin is straight , passing ...
... passes backwardly by a curve into the obliquely sloping posterior margin , which is only very slightly convex in outline until the posterior end of the valve is reached . In profile , the antero - ventral margin is straight , passing ...
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Common terms and phrases
Acanthodiscus adult Ammonites angle aperture Aptian Astarte atherstoni Sharpe bank of Sunday's bone Broom carinal characters closely Coega collection comparison conocardiiformis convex Cutch Cynodonts d'Orbigny developed diameter Dicynodon differs distal dorsal Dunbrodie elongated Eriphyla escutcheon Exogyra fauna figured flank flattened fossils frontal genus Geol Geological Graaff-Reinet greatest groove Gryponyx Hauterivian height herzogi Holcostephanus holubi imbricata Jurassic keel Kitchin Krauss left valve length less Lower Cretaceous Lycett Lystrosaurus margin Massospondylus narrow Neocomian Neumayr occur ornamentation outline Pareiasaurus Pavlow Pecten phalanx Plate posterior posteriorly preserved probably represented resemblance ribs ridges Right valve Rogers and Schwarz sculpture Seeley shell similar slightly South African Museum species specimen spiral stage Stoliczka Sunday's River surface suture Tate Tate's transverse Trigonia Trigonia ventricosa tubercles Uhlig Uitenhage Uitenhage beds Uitenhage Series uitenhagensis sp umbilical umbo umbonal region upper W. T. Blanford whorl zoarium Zwartkop's River