EVOTOMYS. 177 



black; sides dusky gray suffused with buffy; glandular patch dark 

 sooty gray; tail blackish; feet dusky; under parts salmon buff. 



Measurc-mc-/i/s. Total length, 145; tail vertebra', 45; hind 

 foot. iS. 



253. nivarius. {Evotomys), Bailey, Proc. Biol. Soc. Wash., 1897, 



p. 137. 



Type locality. Olympic Mountains, Washington. Altitude, 4,000 

 feet on N. W. slope of Mt. EUinor. 



Geogr. Dislr. High altitude Olympic Mountains. 



Genl. Char. Similar to E. occidcntalis, but color lighter. Skull 

 angular; posterior edge of palatine straight. 



Color. Above light chestnut; sides dark gray tinged with buff; 

 under parts whitish; postauricular spot whitish ; ears dusky ; tail 

 dusky above, whitish below; feet soiled white. 



Measurements. Total length, 150; tail vertebrae, 50; hind foot, 

 iS. Skull: basal length, 21; nasals, 6.5; zygomatic breadth, 13; 

 mastoid, 11.5; length of upper molar series, 5. 



254. proteus. {Evo/omys), Bailey, Proc. Biol. Soc. Wash., 1897, 



P- 137- 



7^1/6' locality. Hamilton Inlet, Labrador. 



Geogr. Distr. Labrador, range undetermined. 



Genl. Char. Size large; colors variable. Skull large, angular, 

 interorbital constriction deep ; process of squamosal strongly 

 marked. 



Color. Above usually sepia, with cheeks, face and sides smoke 

 gray tinged with yellowish; under parts light smoke gray; feet dull 

 gray; tail duskj' above, dull gray below. 



Other specimens have the dorsal band bright chestnut, and sides 

 dark yellowish brown. 



Measurements. Total length, 171; tail vertebra-, 53; hind foot, 21; 

 ear, 17. 



255. alascensU. {Evotomys), Miller. Proc. Acad. Nat. Scien. Phil., 



1898, p. 364, fig. 2. 



ruiilus, Coues, Mon. Rodents, 1877, p. 136 (nee Pallas). 



Type locality. St. Michaels, Alaska. 



Geogr. Dislr. Alaska, Fort Yukon to St. Michaels. Limits of 

 range unknown. 



Genl. Char. Nasal bones long, one-third greatest length of 

 skull; tail, 20-30. Color dull ferruginous. 



Color. "Above dull ferruginous mi.ved with black; sides ochra- 

 ceous buff lined with black; belly buff grading to grayish on throat; 



