SPERMOPHILUS. 



Color. Above dark gray and black, washed with dark brown on 

 middle of the back; shoulders, rump and thighs ochraceous brown. 

 Under parts silvery gray tinged with yellowish, dark bases of hairs 

 showing through. Tail, above and below mixed gray and black, sub- 

 terminal black border, and black tip edged with gray. 



Measurements. Total length, 254; tail vertebrae, 50. 



118. elegans. (Speniiophilus), Kennicott, Proc. Acad. Nat. Scien. 



Phil., 1863, p. 158. 



richardsoni var. townsendi, Allen, Mon. Roden., 1877, p. 848 

 (nee. Bach.). 



Type locality. Fort Bridger, Utah. 



Geogr. Distr. Wyoming and Utah. Range undetermined. 



Genl. Char. Slender; head narrow, tapering; ears rounded, dis- 

 tinct; tail flat, short; feet moderately large. 



Color. Above pale dusky gray mottled indistinctly with dark 

 brown and washed with brownish; under parts grayish white tinged 

 with pale yellowish brown; rump and thighs yellowish brown; chin, 

 throat, and inside of limbs white. Tail, above like back, but tinged 

 with yellowish brown, and with a subterminal border and bar of 

 black edged with whitish; beneath yellowish brown with an indis- 

 tinct border and bar of black, edged with whitish. 



Measurements. Total length, 177-255; tail to end of hairs, 

 88-114. 



119. beldingi. [Spermophilus), Merr. , Ann. Acad. Nat. Scien., 1888, 



P- 317. fig- 



Type locality. Donner, California. 



Geogr. Distr. California. 



Genl. Char. Size equal to 5. townsendi; claws long, strong, 

 nearly straight; hind feet with posterior third of sole, hairy; tail not 

 bushy; ears large. 



Color. Dorsal band bright rufous; sides and under parts grizzled 

 yellowish gray; tail chestnut beneath, subterminal band black, better 

 shown beneath than above; upper part rufous bordered with black 

 and yellowish. Top of head rufous, chin and throat whitish. Feet 

 light yellowish gray. 



Measurements. Total length, 275-300; tail vertebrae, 76-89; hind 

 foot, 45; ear 6. 



120. oregonus. {Spermophilus). Merr., Proc. Biol. Soc. Wash., 1898, 



p. 69. 

 Type locality. Swan Lake Valley, Klamath, Oregon. 

 Geogr. Distr. Known from type locality. 



