174 EVOTOMYS. 



Measuremenls. Average total length, 145; tail vertebra-, 43.6; 

 hind foot, 18.2. 



e.—saturatus. [Evo/omys), Rhoads, Proc. Acad. Nat. Scien. Phil., 

 1894, p. 284. 



Type locality. Nelson, British Columbia. 



Geogr. Distr. Blue Mountains of Oregon, mountains of north- 

 ern Idaho, and northward into British Columbia to Cariboo Lake. 



Genl. Char. Larger than E. gappcri, tail longer; ears larger; 

 hind feet stouter; side spots over glands conspicuous. Skull larger, 

 wider and more angular than E. gappcri ; premaxillte projecting 

 slightly back of truncate posterior end of nasals; palatine bone U- 

 shaped, with straight posterior margin. 



Color. Above light reddish chestnut ; face, sides and lower 

 rump dark gray, belly washed with white. Throat patch white. Tail 

 light gray above, dark gray beneath. 



Measurcmen/s. Average total length, 149; tail vertebra', 45; hind 

 foot, 18.2. Skull: basal length, 22.3; nasals, 6.5; zygomatic breadth, 

 13.5; mastoid, 11. 2. 



245. brevicaudus. {Evotomys), Merr. , N. Am. Faun., No. 5, 1891, 



p. iig, pi. 1 1 1, figs. 7, 8. 



Type locality. Custer, Black Hills, South Dakota. 



Geogr. Distr. Black Hills, South Dakota. 



Genl. Char. Large as E. gapperi; rather larger hind foot; tail 

 shorter. Color in summer paler. 



Color. Summer Pelage. Similar to E. loringi. but paler, mixed 

 with black above; sides ash gray suffused with buff; belly cream 

 white; side spots gray. 



Measurements. Total length, 125; tail vertebrae, 31; hind foot 

 ig. Skull: basal length, 21.2; nasals, 6.6; zygomatic breadth, 12.5; 

 mastoid, 11.3; upper molar series, 5.4. 



246. carolinensis. {Evotomys), Merr., Amer. Jour. Scien., xxxxi, 1888, 



p. 460. 



Type locality. Roan Mountain, North Carolina, 6,000 feet alti- 

 tude. 



Geogr. Distr. High mountains of North Carolina, West Vir- 

 ginia and Tennessee. 



Genl. Char. Size large, tail long, color dark. 



Color. Summer Pelage. Above dark chestnut; face, sides and 

 rump bister mixed with black; belly white and buffy ochraceous; 

 feet grayish brown; ears dusky; tail blackish above, gray below. 



Winter Pelage. Paler and brighter; sides buffy ochraceous; ears 

 tipped with rufous. 



