CONTENTS OF INTRODUCTION. 



§ 1. Definition of Prehistoric Period. 

 § 2. Prehistoric Caverns. 



A. Kent's Hole. 



B. Paviland. 



c. Arnside Knott. 



D. Cheddar. 



E, Whitcombe's Hole, 

 r. Plumley's Den. 



G. Uphill. 



H. Heathery Burn Cave. 



§ 3. Prehistoric Alluvia and Peat-Mosses. 



§ 4. Prehistoric Mammalia. 



§ 5. Inferences as to Prehistoric Climate. 



§ 6. Definition of the term Pleistocene. 



§ 7. Pleistocene Caverns and River-Deposits. 



§ 8. Principles of determination of Pleistocene Species. 



§ 9. Pleistocene Mammalia. 



A. Bimana. 



B. Cheiroptera, 

 c. Carnivora. 



D. Insectivora. 



E. Ruminantia. 



F. Artio-dactyla. 



G. Perisso-dactyla. 

 H. Proboscidea. 



I. Glires. 



§ 10. Groups of Species into which the Pleistocene Mammalia naturally fall. 



A. Extinct Species. 



B. Species confined to Northern Climates. 

 c. „ „ Southern ,, 



D. ,, common to Cold and Tropical Climates. 



E. Species still inhabiting the Temperate Zones of Europe. 



§ 11. Inferences as to Pleistocene Climate. 



§ 12. Relation of Pleistocene to Prehistoric Mammals, and those now living in Britain. 



§ 13. Probable causes of extinction or dispersal of many of the Pleistocene Species. 



