TUNDRA SHREW, Sorex tundrensis, and allies 



Range. — Most of Alaska ; regarded by some as 

 the same species as the Arctic slirew, Sorex arcti- 

 ciis, which extends eastward in a broad belt to 

 Labrador and Nova Scotia. 



Habitat. — Wet or diy tundra. 



Related species. — Type locality of tiindrens^is is 

 St. Michael, Norton Sound. Closely related is- 

 land forms include Sorex jacksoni of St. Lawrence 

 Island (type locality: Savoonga, 2 miles east of 

 North Cape) ; Sorex hydrodromu-s, confined to 

 LTnalaska Island, the tj-pe locality (no specimen 

 is now known to exist) ; and Sorex prihilofensis. 

 known only from St. Paul Island, tlie type local- 

 ity. Sorex tinulrensis, in some instances, appears 

 to integrade with S. arcticus of the east. 



