IP s t e I s i a 347 



than now prevails. Yet no great fields of drift 

 can be found. Patches are to be seen here and 

 there. These small areas constitute the record. 

 The great mountain masses of moving ice, of 

 which New England, New York, Ontario, and 

 the states of the middle west give convincing 

 testimony, seem not to have developed here. 

 Local glaciers there were, but the evidence of 

 the expansion of a Continental Ice Sheet to 

 enwrap this portion of the outlying island of 

 Vancouver is slight. 



