348 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
Type locality—Furnace Creek, Death Valley, Inyo County, 
California. 
Synonym—Death Valley Spermophile. 
Range—Death Valley, Inyo County (Elliot, supra cit.). 
Citellus mohavensis (Merriam) 
Mohave Ground Squirrel 
Original description—Spermophilus mohavensis Merriam, 
N. Amer. Fauna, 2, October, 1889, p. 15. 
Type locality—Mohave River, above Victorville, San Ber- 
nardino County, California. 
Synonyms—Citellus tereticaudus mohavenis; Mohave Desert 
Spermophile. 
Range—Lower Sonoran zone on souiines ean part of 
Mohave Desert (as above), northeast to Daggett (Elliot, 
Field Col. Mus., zool. ser., 3, 1904, p. 291; Stephens, Calif. 
Mammals, 1906, p. 72). 
Citellus mollis stephensi (Merriam) 
Stephens Ground Squirrel 
Original description—Spermophilus mollis stephensi Mer- 
riam, Proc. Biol. Soc. Wash., 12, March 24, 1898, pp. 69, 70. 
Type locality—Queen Saisie, near head of Owens valley, 
in Esmeralda County, Nevada. 
Synonym—Stephens Spermophile. 
Range—Upper Sonoran zone in extreme east-central Cali- 
fornia: head of Owens Valley, Mono County (Merriam, supra 
cit.; Stephens, Calif. Mammals, 1906, p. 71). 
Citellus oregonus (Merriam) 
Oregon Ground Squirrel 
Original description—Spermophilus oregonus Merriam, 
Proc. Biol. Soc. Wash., 12, March 24, 1898, p. 69. 
Type locality—Swan Lake Valley, Klamath Basin, Klamath 
County, Oregon. 
Range—Upper Sonoran and Transition zones in eastern 
part of Modoc region: Alturas; Sugar Hill; Warner Moun- 
tains (Mus. Vert. Zool.). 
