I20 PRIMEVAL MAN. 



now temperate ; and when a great part of 

 Northern Europe and of our own islands was 

 submerged under a Glacial Sea. This sea 

 was ploughed by floating icebergs, which as 

 they melted dropped their rocks and boulders 

 upon the bottom. That bottom has since 

 been raised again into dry land, and these 

 boulders now interrupt the drainer in culti- 

 vated fields, and strew the surface of our 

 wildest moors. Many concurring indications 

 go far to prove that it was when this Glacial 

 Period had nearly passed away, when a 

 milder climate was beginning to prevail over 

 the land which we now know, that Man also 

 began to find his way into Northern Europe. 

 There he sought his living among herds of 

 animals, of which the greater number are now 



