SCIURID^ 79 



dark stripes on back black or brownish black slightly edged with 

 chestnut and contrasting sharply with the light stripes ; sides pale 

 buffy gray in winter, tawny ochraceous in summer; specimens 

 from the middle and eastern parts of their range are probably 

 paler. 



Length about 195 mm. (7.70 inches) ; tail vertebrae 93 

 (3.65); hind foot 30 (1. 18). 



Type locality, Kelton, Utah. 



Desert Chipmunks are rather common in the sage brusJi 

 plains of the Great Basin, having their western limit in the east- 

 ern foothills of the Sierra Nevada, from the Owen Valley 

 north to Otregon. Four to six young are born in May and June. 

 I saw these Chipmunks occasionally in juniper trees and they 

 frequently climb to the tops of the sagebrush. 



Eutamias panamintus Merriam. (Of the Panamint 



Mountains.) 



PANAMINT CHIPMUNK. 



Small; dark facial stripes indistinct; ear markings obscure; 

 dark back stripes fulvous brown and not reaching the rump which 

 is clear gray; sides gray washed with buffy ochraceous in winter 

 pelage, more rusty in summer; upper side of tail orange rufous 

 thinly shaded with black and washed with yellowish. 



Length about 208 mm. (8.20 inches) ; tail vertebrae 90 

 (3.55); hind foot 31 (1.22). 



Type locality, Panamint Mountains, California. 



Panamint Chipmunks inhabit the pinon and pine timber of 

 the Panamint and other isolated desert ranges. They are com- 

 mon in few places. 



Eutamias speciosus Allen. (Appearing well.) 



SAN BERNARDINO CHIPMUNK. 



Size medium; facial stripes very distinct, that one passing 

 across the eye broad and black; ears distinctly striped; spots be- 



