Annals of the South African Museum, Volume 7, Part 2South African Museum, 1898 - Natural history |
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Page 116
... posterior limb , and an increasing acuteness of the angle . Subsequently , an anterior and a posterior series of inclined ribs may be spoken of , not strictly coinciding with each other in number . The anterior ribs , numbering about 14 ...
... posterior limb , and an increasing acuteness of the angle . Subsequently , an anterior and a posterior series of inclined ribs may be spoken of , not strictly coinciding with each other in number . The anterior ribs , numbering about 14 ...
Page 138
... posterior adductor impression is situated close to the upper valve - border , half - way between the umbo and the posterior margin , and just below the narrow , lath - like process which is represented on the cast by a groove close to ...
... posterior adductor impression is situated close to the upper valve - border , half - way between the umbo and the posterior margin , and just below the narrow , lath - like process which is represented on the cast by a groove close to ...
Page 215
... posterior parts . Posteriorly situated , on its lower half , are two short , parallel , raised ridges bearing several minute tubercles : these have a transverse ( horizontal ) direction , and the lower is the shorter of the two . On the ...
... posterior parts . Posteriorly situated , on its lower half , are two short , parallel , raised ridges bearing several minute tubercles : these have a transverse ( horizontal ) direction , and the lower is the shorter of the two . On the ...
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Common terms and phrases
Acanthodiscus Ammonites angle anteriorly aperture Aptian Astarte atherstoni Sharpe baini Sharpe bank of Sunday's Belemnites carinal characters closely Coega Coega Valley collection comparison conocardiiformis convex costate Cutch d'Orb d'Orbigny delicate developed Dimensions Dunbrodie elongated Eriphyla escutcheon Exogyra fauna figured flank flattened fossils frontal genus Geol German East Africa Graaff-Reinet groove Hauterivian height herzogi Holcostephanus holubi inflated Jurassic keel Krauss last whorl left valve less Lower Cretaceous Lycett margin Marine Beds Müller narrow Neocomian Neumayr occur Oolitic Oomia beds ornamentation outline Pavlow Pecten posterior posteriorly railway relatively represent resemblance ribs ridges right valve Rogers and Schwarz sculpture shell similar South African Museum Sowerby species specimen spiral Stoliczka stowi strata Sunday's River surface suture Tate Tate's transverse Trigonia Trigonia ventricosa tubercles Uhlig Uitenhage beds Uitenhage Series uitenhagensis sp umbilical umbilicus umbo umbonal region upper W. T. Blanford whorl Zwartkop's River