MAMMALS 251 



California, Oregon and Washington, between the Cascades and the 

 Coast Range; common; annual litter of i to 4 young. 



S. orarius True. Body blackish or grayish in color; length 167 mm. ; 

 tail ;i,-!, mm.; hind foot 20 mm.: Washington, Oregon and northern 

 California. 



Subspecies of S. orarius 



S. 0. orarius True. Color fuscous black: coast region of Washing- 

 ton, Oregon and northern California. 



5. 0. schefferi Jackson. Color gray: north-central Oregon to 

 British Columbia. 



5. latimanus (Bach.) (Fig, 144). Body usually fuscous black, gray 

 or drab in color; length 173 mm.; tail 35 mm.; hind foot 23 mm.: south- 

 ern Oregon and California; annual litter of 2 or 3 each. 



Subspecies of S. latimanus 



S. I. latimanus (Bach.). Color black in winter, brown in summer; 

 length 170 mm.: western California from Santa Maria River to Oregon. 



S. I. occultus Grinnell & Swarth. Color lighter: southern California, 

 west of the deserts and south of Olancha. 



5'. /. grinnelli Jack. Color black; length 156 mm.: Inyo County, 

 California. 



5. /. sericatus Jack. Color black ; length 170 mm. : Yosemite region. 



S. I. minusculus Bangs. Color in summer, brown; length 160 mm.: 

 El Dorado County, California. 



S. I. dilatus True. Color gray or drab; length 175 mm.: south- 

 central Oregon and northeastern California. 



5. /. alpinus Merriam. Color in summer, gray; length 188 mm.: 

 Crater Lake, Oregon. 



5. Neurotrichus Glinther. Size very small ; dentition 2/1 , i/i , 3/4, 

 3/3; snout terminating in a small disc in which are the laterally situated 

 nostrils; digits not webbed: i species. 



iV. gibbsii (Baird). Body dark gray in color; length 113 mm.; tail 

 37 mm.; hind foot 15 mm.: British Columbia to Eureka, California, 

 west of the Cascades and Sierra Nevada; in wet woods or meadows, 

 often on the surface or under logs. 



Subspecies of N. gibbsii 



X. g. hyacinthinus Bangs. Size larger; color darker: coast region 

 of California from Monterey to Eureka. 



