THE PLEISTOCENE OR GLACIAL PERIOD. 



329 



higher mountains of France, the Apennines, the Carpathians, the 

 Balkans, the Caucasus and the Urals, all had their glaciers, while from 

 the northern Ural and Timan mountains ice-sheets descended into 

 the basin of the Pechora. Iceland and the Faroe Islands were buried 



Fig. 469. — Sketch-map showing the North American area covered by ice at the 



mum stage of glaciation. 



maxi- 



in ice, and even Corsica had snow-fields and glaciers, some of which 

 were not diminutive. 



Nearly one half of North America was buried in ice (Fig. 469). 

 Strangely enough, it was not strictly the northern half, but the north- 

 eastern half, that was specially ice-invaded, and, more strangely still, 



