219 



(3.) That the Ice period produced a race modification of the man 

 living in the extreme north, and that the advance of the ice pre. 

 vented further communication between the Old and the Xew Worlds 

 until comparatively recent times. 



(4.) That this race accompanied the great glacier on its advance 

 and retirement over North American territory, and that the exist- 

 ing representatives of this race are the Eskimos. 



