Xii CONTENTS. 



CHAPTER VI. THE CARBONIFEROUS AGE. 



na 



Perfection of Palaeozoic Life. Carboniferous Geography. 

 Colours of Sediments. Vegetation. Origin of Coal. 

 Land Life. Eeptiles, Land Snails, Millipedes, etc. 

 Oceanic Life 109 



CHAPTER VII. THE PERMIAN AGE. 



Movements of the Land. Plication of the Crust. Che- 

 mical Conditions of Dolomite, etc. Geographical 

 Results of Permian Movements. Life of the Period. 

 Summary of Palaeozoic History .... 160 



CHAPTER VIII. THE MESOZOIC AGES. 



Characters of the Trias. Summary of Changes in the 

 Triassic and Cretaceous Periods. Changes of the 

 Continental Plateaus. Relative Duration of the 

 Palaeozoic and Mesozoic. Mesozoic Forests. Land 

 Animals. The reign of Reptiles. Early Mammals 

 and Birds . . ... . . * .188 



CHAPTER IX. THE MESOZOIC AGES (continued). 



Animals of the Sea. Great Sea Lizards, Fishes, Cephalo- 

 pods, etc. Chalk and its History. Tabular View of 

 the Mesozoic Ages . 211 



CHAPTER X. THE NEOZOIC AGES. 



Physical Changes at the end of Mesozoic. Subdivisions 

 of the Neozoic. Great Eocene Seas. Land Animals 

 and Plants. Life of the Miocene. Reign of Mammals 235 



CHAPTER XI. THE NEOZOIC AGES (continued). 



Later Vegetation. The Animals of the Pliocene Period. 

 Approach of the Glacial Period. Character of the 

 Post-pliocene or Glacial 258 



