Vol. ni] GRINNELL— MAMMALS OF CALIFORNIA 347 



Citellus variegatus grammurus (Say) 

 Rock Squirrel 



Original description — Sciunts grammurus Say, in Long's 

 Exped. Rocky Mts., 2, 1823, p. 72. 



Type locality — Purgatory River, near mouth of Chacuaco 

 Creek, Las Animas County, Colorado {iide Cary, N. Amer. 

 Fauna, 33, 1911, p. 87). * 



Range — Upper and Lower Sonoran zones in extreme eastern 

 San Bernardino County : Province Mountains and canyons 

 of the Colorado River (Merriam, Dept. Agric, Bur. Biol. 

 Surv. Circ, 76, 1910, p. 2). 



Citellus tereticaudus tereticaudus (Baird) 



Round-tailed Ground Squirrel 



Original description — Spermophilus tereticaudus Baird, Pac. 

 R. R. Rep., 8, 1857, pp. 315, 316. 



Type locality — Fort Yuma. Imperial County, California. 



Synonym — Round-tailed Spermophile. 



Range — Lower Sonoran zone on the Colorado desert, in 

 Imperial County, west to La Puerta, eastern San Diego 

 County; north along the valley of the Colorado River as far 

 as Needles (Mus. Vert. Zool.). 



Citellus tereticaudus chlorus Elliot 

 Palm Springs Ground Squirrel 



Original description — Citellus chlorus Elliot, Field Col. 

 Mus., zool. ser., 3, December, 1903, p. 242. 



Type locality — Palm Springs, Riverside County, California. 



Synonym — Pale Spennophile. 



Range — Lower Sonoran zone on the extreme west end of 

 the Colorado Desert : Mecca northwest to Whitewater, River- 

 side County (Mus. Vert. Zool.). . 



Citellus eremonomus Elliot 



Death Valley Ground Squirrel 



Original description — Citellus eremonomus Elliot, Field 

 Col. Mus., zool. ser., 3, December, 1903, p. 243. 



