viii CONTENTS. 



CHAP. PAGE 



VII. THE KARROO SYSTEM - .... 166 



(1) The Dwyka Series 167 



(2) The Ecca Series - 193 



(3) The Beaufort Series - 199 



(4) The Stormberg Series - - 211 



(5) The Correlation of the Karroo System - 233 



VIII. THE REPTILES OF THE KARROO SYSTEM ... - 244 



IX. THE KARROO DOLERITES AND ALLIED ROCKS - - - 258 



X. THE CRETACEOUS SYSTEM 289 



(1) The Uitenhage Series 289 



(2) The Umzamba Beds - - 327 



(3) The Embotyi Group - 339 



(4) The Need's Camp Beds 341 



XI. THE VOLCANIC PIPES YOUNGER THAN THE STORMBERG 



VOLCANOES 344 



XII. THE TERTIARY AND RECENT DEPOSITS - - - 370 



XIII. THE GEOLOGICAL HISTORY OF THE COLONY ... 419 



XIV. THE ECONOMIC GEOLOGY OF THE COLONY - 460 

 INDEX 485 



