Annals of the South African Museum, Volume 7, Part 2South African Museum, 1898 - Natural history |
From inside the book
Results 1-3 of 34
Page 138
... border , then turn sharply upwards to cross the area in a direction parallel with the siphonal border . On the area the ornaments are slightly coarser and less regular , and less strongly developed than on the flank . An internal cast ...
... border , then turn sharply upwards to cross the area in a direction parallel with the siphonal border . On the area the ornaments are slightly coarser and less regular , and less strongly developed than on the flank . An internal cast ...
Page 151
... border usually has considerably greater extent than the frontal border , which is more sharply curved and limited in height by the some- what rapid convergence of the upper and lower borders in front of the umbo . The inferior border ...
... border usually has considerably greater extent than the frontal border , which is more sharply curved and limited in height by the some- what rapid convergence of the upper and lower borders in front of the umbo . The inferior border ...
Page 215
... borders bear minute marginal denticles , and they form a roughly rectangular junction , below , with the antero - ventral border . There is a shallow vertical groove on the surface near the posterior border , and the pleuron also bears ...
... borders bear minute marginal denticles , and they form a roughly rectangular junction , below , with the antero - ventral border . There is a shallow vertical groove on the surface near the posterior border , and the pleuron also bears ...
Other editions - View all
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