NORTHERN FLYING SQUIRREL, Glaucomys sabrinus 



Range. — Alaska to Labrador, south in the moun- 

 tains to California and Tennessee. 



Habitat. — Mixed hardwood and evergreen for- 

 ests. 



Races hi Alaska. — The form in the interior is 

 yukonensis (type locality : Camp Davidson, Yukon 

 River, near the Alaska-Canada boundary) ; in 

 southeastern Alaska grheifrons (type locality: 

 Lake Bay, Prince of Wales Island) is known only 

 from that island; zaphaeus (type locality: Helm 

 Bay, Cleveland Peninsula) occurs also on Etolin 

 Island; there are records of alpimus from 6 and 9 

 miles north of Juneau. 



767- 152 0—65- 



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