MASKED or COMMON SHREW, Sorex cinereus 



(Uglugnuk) 





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Range. — Most of northern North America, 

 south in mountains to New Mexico and Tennessee. 



Habitat.- — Forests, marshes, and rocky areas; 

 especially common in moist situations in interior 

 spruce-birch forests, but uncommon in Arctic 

 tundra. 



Races In Ala-^ka. — The typical cinereus occupies 

 tiie interior and the Kenai Peninsula; ugyunak 

 occurs alono; the Arctic Shelf west to Point Bar- 

 row; streatorl (type locality: Yakutat) inhabits 

 the coastal strip from Dixon Entrance to Seward ; 

 holllsferi (type locality: St. Michael, Norton 

 Sound) is found along the western coast from near 

 Point Barrow to Unimak Island. 



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