EVOTOMYS. 175. 



Measurements. Average total length, 149; tail vertebrae, 44: hind 

 foot, 20.2. Skull: basal length, 23.5; nasals, 7.5; zygomatrc breadth, 

 14.4; mastoid, 12; upper molar series, 6. 



247. ungava. i^Evotomys'), Bailey, Proc. Biol. Soc. Wash., 1897, 



p. 130. 



Type locality. Fort Chimo, Ungava. 



Geogr. Distr. Labrador. 



Genl. Char. Size as E. gapperi; tail and feet slender: ears small; 

 color dull; skull slender, rostrum not decurved. 



Color. Above dull brownish chestnut; sides and face buffy graj' 

 lined with black; beneath dark plumbeous washed with buffy; feet 

 dusky gray; tail brownish above, buffy below; sides of nose and spot 

 on under lip whitish. 



Measurements. Total length, 134; tail vertebra', 39; hind foot, 19. 

 Skull: basal length, 22.8; nasals, 7; zygomatic breadth, 13.5; mas- 

 toid, 11; length upper molar series, 5. 



248. idahoensis. {Evotomys), Merr., N. Am. Faun., No. 5, p. 66. 

 Type locality. Sawtooth or Alturus Lake, east foot of Sawtooth 



Mountain, Idaho. 



Geogr. Distr. Mountains of south central Idaho, between the 

 Snake and Salmon Rivers. 



Genl. Char. Larger than E. gapperi; tail longer; skull narrow. 



Color. Above pale hazel lined with black; face, sides and rump 

 ash gray; beneath whitish; ears sooty gray; feet gray; tail blackish 

 above, gray below. 



Measurements. Total length, 153; tail vertebra', 48; hind foot, 20. 

 Skull: basal length, 23.5; nasals, 8; zygomatic breadth, 13.3; mas- 

 toid, 1 1.6; length of upper molar series, 5.4. 



249. mazama. [Evotomys), ^lexr.,'Pxoc. Biol. Soc. Wash., 1897, p. 71. 

 Type locality. Crater Lake, Mt. Mazama, Oregon. Altitude, 



7,000 feet. 



Geogr. Distr. Crest of the Cascade Mountains in Oregon. 



Genl. Char. Large; tail long; colors bright; gland spots con- 

 spicuous. Skull broad and angular; rostrum straight; audital bullae 

 large; pterygoids prominent and inflated at tips, rounded anterior!}- 

 with a median posterior projection. 



Color. Above cinnamon rufous or hazel, shading into the buffj- 

 gray of face and sides; beneath buffy white; side spots over glands 

 frosted slaty gray; feet grayish white: tail blackish above, whitish 

 below. 



Measurements. Average total length, 157; tail vertebra^ 52; hind 



