Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 4
... flat reverse face , but does not encrust any object . But its general shape and corre- spondence with d'Orbigny's figure of Idmonea virgula renders it probable that it was originally encrusting some perishable object which has since ...
... flat reverse face , but does not encrust any object . But its general shape and corre- spondence with d'Orbigny's figure of Idmonea virgula renders it probable that it was originally encrusting some perishable object which has since ...
Page 5
... flat ; there is no keel on the obverse face ; the zoœcia are immersed , and when the reverse face is flat the zoocial boundaries are clearly marked ; the lateral series of apertures are quite regular , and just reach the middle line of ...
... flat ; there is no keel on the obverse face ; the zoœcia are immersed , and when the reverse face is flat the zoocial boundaries are clearly marked ; the lateral series of apertures are quite regular , and just reach the middle line of ...
Page 6
... flat or concave reverse face ; the lateral series are regular and contain six to eight apertures ; the apertures are circular ; the zoœcia are emergent . Idmonea filiformis , d'Orbigny ( Bry . Crét . , 1853 , p . 744 , pl . 750 , figs ...
... flat or concave reverse face ; the lateral series are regular and contain six to eight apertures ; the apertures are circular ; the zoœcia are emergent . Idmonea filiformis , d'Orbigny ( Bry . Crét . , 1853 , p . 744 , pl . 750 , figs ...
Page 7
... flat or concave ; zoœcia three or four in a lateral series , im- mersed but the boundaries are clearly marked ; the distance between the different series of apertures is one and a half to two and a half times the diameter of an aperture ...
... flat or concave ; zoœcia three or four in a lateral series , im- mersed but the boundaries are clearly marked ; the distance between the different series of apertures is one and a half to two and a half times the diameter of an aperture ...
Page 19
... Flats at about 1,200 feet above sea - level . A. W. ROGERS . * This is the figure given by Mr. Woods ; it is probably too great by 100 feet , as in Gamble's list of heights the Need's Camp beacon is said , on the authority of Capt . W ...
... Flats at about 1,200 feet above sea - level . A. W. ROGERS . * This is the figure given by Mr. Woods ; it is probably too great by 100 feet , as in Gamble's list of heights the Need's Camp beacon is said , on the authority of Capt . W ...
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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