Annals of the South African Museum, Volume 31South African Museum, 1950 - Natual history |
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Page 111
... nodules of the greensand , described by J. Murray and A. F. Renard , glauconite ( g ) may be rare , although one may count several dozen small grains in a preparation ( No. 8 ) . In the other nodules ( No. 1 ) , the mineral is thinly ...
... nodules of the greensand , described by J. Murray and A. F. Renard , glauconite ( g ) may be rare , although one may count several dozen small grains in a preparation ( No. 8 ) . In the other nodules ( No. 1 ) , the mineral is thinly ...
Page 134
... nodules . With regard to the problem of genesis , this study has stressed the extreme rarity or absence of microscopic remains of fishes , organisms whose rĂ´le is usually held to be preponderant in the genesis of phos- phate nodules ...
... nodules . With regard to the problem of genesis , this study has stressed the extreme rarity or absence of microscopic remains of fishes , organisms whose rĂ´le is usually held to be preponderant in the genesis of phos- phate nodules ...
Page 136
... nodules , nat . size . Fig . 1. Rounded nodule , formed by two different rocks ( see Pl . XXXV , fig . 2 ) . Fig . 2. Scoriaceous nodule , Stat . 7 , Cape Point , 560 fath . ( 1024 m . ) . Fig . 3. Very irregular nodule , Stat . 6 ...
... nodules , nat . size . Fig . 1. Rounded nodule , formed by two different rocks ( see Pl . XXXV , fig . 2 ) . Fig . 2. Scoriaceous nodule , Stat . 7 , Cape Point , 560 fath . ( 1024 m . ) . Fig . 3. Very irregular nodule , Stat . 6 ...
Contents
II | 5 |
Pareiasaurian skulls IV V Pareiasaur teeth | 8 |
Bradysaurus baini | 18 |
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Aelurognathus Agulhas Bank Albian anteriorly Anthodon appear B.Oc B.Sph basioccipital basisphenoid beds bone Bradysaurus brain-case Broom canine Cape Province centrum cervicals collected concave convex costae Cretaceous Cynodonts dental formula described distal ectopterygoids epipterygoid fenestra ovalis figured flank forms fossils genera genotype genus glauconite Gorgonops Gorgonopsians groove Haughton Hipposaurus Hoepen holotype incisors intercentrum Interorbital Kitchin Krauss L. W. Collet Lateral view Length from premaxilla lower jaw Lycaenops maxilla median Mfongosi microdon molars narrow Neocomian nodules occiput orbit ornamented P.Orb palate palatines Pareiasaurus parietal paroccipital phosphate pineal foramen plate Pongola Pongola River posterior border posteriorly premaxilla preserved prevomers pro-otic Pter pterygoid pterygoid flanges quadrate ribs ridge shells side skull snout South African Museum species specimens squamosal structure surface suture teeth TEXT-FIG Therapsids Therocephalians tigriceps transverse Trigonia tubera Uitenhage umbo upper vacuity valve ventral margin Ventral view vertebrae Watson Whaitsids width zone Zululand