Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 22
... relative to some of the forms already known . Opportunity is also afforded by the pre- sent study to describe and figure two Uitenhage ammonites which . are represented by specimens preserved in the collection of the Geological Society ...
... relative to some of the forms already known . Opportunity is also afforded by the pre- sent study to describe and figure two Uitenhage ammonites which . are represented by specimens preserved in the collection of the Geological Society ...
Page 42
... relatively far from the anterior extremity . In the Oomia beds these points are illus- trated in varying degree in certain degenerate derivatives of Costatæ , and in the group of T. v - scripta ; in the Uitenhage beds they are ...
... relatively far from the anterior extremity . In the Oomia beds these points are illus- trated in varying degree in certain degenerate derivatives of Costatæ , and in the group of T. v - scripta ; in the Uitenhage beds they are ...
Page 48
... relative to the main divisions of the genus . Whether it is more closely allied to the group of T. v - scripta or to T. vau and T. stowi sp . nov . , cannot be ascertained until more perfect specimens can be obtained and the sculpture ...
... relative to the main divisions of the genus . Whether it is more closely allied to the group of T. v - scripta or to T. vau and T. stowi sp . nov . , cannot be ascertained until more perfect specimens can be obtained and the sculpture ...
Page 59
... relatively passive habit , were more inured to varied environ- ment than the cephalopods , while these , on the other hand , possibly equipped with better facilities for exercising choice of station , were more delicately adjusted to ...
... relatively passive habit , were more inured to varied environ- ment than the cephalopods , while these , on the other hand , possibly equipped with better facilities for exercising choice of station , were more delicately adjusted to ...
Page 60
... relatively restricted area . The greater , then , is the neces- sity for caution in generalising from scanty data regarding the insufficiently explored littoral Neocomian deposits with which we are dealing . V. DESCRIPTIONS , CRITICAL ...
... relatively restricted area . The greater , then , is the neces- sity for caution in generalising from scanty data regarding the insufficiently explored littoral Neocomian deposits with which we are dealing . V. DESCRIPTIONS , CRITICAL ...
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Common terms and phrases
Acanthodiscus adult Ammonites angle aperture Aptian Astarte atherstoni Sharpe baini bank of Sunday's bone breadth Broom carinal characters closely Coega collection comparison conocardiiformis convex costate Cutch Cynodonts d'Orbigny developed diameter dorsal elongated Eriphyla escutcheon Exogyra fauna figure flank flattened fossils frontal genus Geol Geological German East Africa Graaff-Reinet groove Hauterivian height herzogi Holcostephanus holubi imbricata Jurassic keel Kitchin Krauss left valve length less Lower Cretaceous Lycett margin Massospondylus narrow Neocomian Neumayr occur Oolitic Oomia beds ornamentation outline Pareiasaurus Pavlow Pecten Plate posterior posteriorly preserved represented resemblance ribs ridges right valve Rogers and Schwarz rogersi sculpture shell similar slightly South African Museum species specimen spiral stage Stoliczka stowi Sunday's River surface suture Tate Tate's transverse Trigonia Trigonia ventricosa tubercles Uhlig Uitenhage Uitenhage beds Uitenhage Series umbilical umbilicus umbo umbonal region upper W. T. Blanford whorl zoarium Zwartkop's River