CONTENTS. 



CHAPTEE I. 

 INTRODUCTORY ..... Pages 1-4 



CHAPTEE II. 



ARCHAEOLOGICAL PERIODS. 



Classification of Human Relics — Stone Age, Bronze Age, and Iron Age — 

 Phases of Civilisation — Gradual transition from Stone Age into 

 Bronze Age, and Bronze Age into Iron Age — Palaeolithic and Neolithic 

 Periods — Palaeolithic Implements— Classification of Palaeolithic Cave- 

 relics — Conditions of life in Palaeolithic Period — Human Remains — 

 Break in Succession between Palaeolithic and Neolithic Periods. 



5-24 



CHAPTEE III. 



CLIMATE OF PLEISTOCENE PERIOD — TESTIMONY OF MAMMALIA. 



Geographical distribution of Mammals — Southern, Northern, and Tem- 

 perate Group — Evidence of Mammalia as to Climate — Present climatic 

 conditions in Europe, Northern Asia, and boreal regions of North 

 America — Region of Tundras and Barrens — Arctic Forest Zone — 

 Annual Migrations in Siberia — Similar migrations cannot take place 

 in Europe — Influence of the Gulf Stream on European Climate 

 — Probable effect of its withdrawal — Alternations of Climate during 

 Palaeolithic Period . . . . .25-43 



