beneath with a tint of buff. Bristles on sides buff colored. Third 

 unicuspid smaller than fourth. Tail about one-fifth shorter than 

 body and head. 



Color. Entire upper parts light cassell brown with a grayish 

 sheen upon it, which causes it to vary in depth according to the light 

 in which the specimen is held. Flanks, brownish ochre with a spot 

 denuded of fur in the center, covered by a bunch of buff-colored 

 bristles. Under parts grayish white, almost silvery in certain lights, 

 tinted with buff. Legs and feet flesh color. Tail dark brown above, 

 yellowish white beneath. 



Measurements. Total length, 120; tail vertebrae, 54; hind foot, 13. 



544. vagrans. {Sorex), Baird, Mamm. N. Am. 1857, p. 15, pi. xxvi, 

 fig. 1675. 



suckleyi, Baird, Mamm. N. Am., 1857, p. 18, pi. xxvii, fig. 1677. 



Type locality. Shoalwater Bay, Washington. 



Geogr. Distr. Southern British Columbia, western Washington 

 and Oregon, and northern California to Monterey on coast, and to 

 Fort Crook in the mountains. 



Genl. Char. Size small; tail as long as body, scantily haired at 

 tip; third unicuspid smaller than fourth. Skull like that of S. 

 obscurus, but upper molars and large premolar are smaller. 



Color. Above dark brown or russet; beneath ashy; tail above 

 dusky, beneath paler. 



Measurements. Total length, 190; tail vertebrae, 43.5; hind 

 foot, 12.3. 



a.—dobsoni. Merr. N. Am. Faun., No. 5, 1891, pp. 33-34, pi. Iv, 

 fig. 2. 



Ty/e locality. Saw Tooth or Alturas Lake, east base of Saw 

 Tooth Mountains, Idaho. 



Geogr. Distr. Rocky Mountains in northern Idaho and western 

 Montana; also Big Snowy and Prior Mountains, Montana; Big Horn 

 Mountains, Wyoming, and Wasatch Mountains, Utah. 



Geril. Char. Size small; pelage short; third unicuspid much 

 smaller than fourth. Similar to 5. vagrans in size and general ap- 

 pearance, but color grayish brown instead of chestnut brown; teeth 

 broader. 



Color. Above dull sepia brown, not darker on the rump. Un- 

 der parts drab gray slightly tinged with brown. Tail above sepia 

 brown, beneath drab gray. 



Measurements. Total length. 105; tail vertebrae, 47; pencil, 4.5; 

 hind foot, 12.5. 



