DUSKY SHREW, Sorex obscurus 



Range. — Alaska generally from Brooks Range 

 south, in mountains, nearly to Mexican border. 



Habitat.— Moist, shaded areas. 



Races in Alaska. — The typical obscurus occurs 

 in the interior, north at least to Anaktuvuk Pass; 

 sh.u7)mg!Twn.si.s (type locality; Popof Island, Shu- 

 magin Islands), ranges on the west from the Sew- 

 ard Peninsula to Unimak Island and the Kenai 

 Peninsula; ah-tcensk (type locality; Yakutat 

 \^ Bay) occupie-s the coastal strip from Seward to 

 Juneau; malitwsus (type locality: east side of 

 Warren Island) is known only from Warren and 

 Coronaticm Islands; elassodon occupiers Admiral- 

 ty, Baranof, Prince of Wales, Duke, Mitkof, and 

 Forrester Islands; longicautJa (type lociility: 

 Wrangell) occurs along tiie coastal region from 

 Port, Snettisham southward, as well as on Etolin, 

 Gravina, Revillagigedo, Sergief, and Wrangell 

 Islands. 



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