RODENTIA: SCIURIDAE 207 



east to western side of Pyramid Lake and western Churchill County, Nev., and 

 to Walker Pass, in southern Sierra Nevada, Calif.; south to Tehachapi Moun- 

 tains; west to Cuyama Valley, Carrizo Plain, and western border of San Joaquin 

 Valley. Zonal range, Upper Sonoran and Transition. 



Citelhis beecheyi parvulus A. H. Howellf* 



1931. Citellus beecheyi parvulus A. H. Howell, Journ. Mamm., vol. 12, No. 2, 

 p. 160, May 14, 1931. 



Type Locality. — Shepherd Canyon, Argus Mountains, Inyo County, Calif. 

 Range. — Desert ranges of southern California (except Providence Mountains) ; 

 north to Owens Valley; south to San Jacinto Mountains. Zonal range, mainly 

 Transition and Upper Sonoran, but extending into Lower Sonoran. 



Cilellus beecheyi nudipes Huey* 



1931. Citellus beecheyi nudipes Huey, Trans. San Diego Soc. Nat. Hist., vol. 7, 

 No. 2, p. 13, Oct. 6, 1931. 



Type Locality. — Laguna Hanson, Iat. 31°58' N., long. 115°53' W., Sierra 

 Juarez, Baja California, Mexico. Altitude, 5,200 feet. Range. — Northern Baja 

 California and extreme southwestern California, including most of western half 

 of San Diego County. Zonal range, Upper and Lower Sonoran and Transition. 



Citellus beecheyi rupinarum Huey* 



1931. Citellus beecheyi rupinarum Huey, Trans. San Diego Soc. Nat. Hist., 

 vol. 7, No. 2, p. 17, Oct. 6, 1931. 



Type Locality.— Catavina, lat. 29°54' N., long. 114°57' W., Baja California, 

 Mexico. Range. — Deserts of central Baja California, south of Sierra San Pedro 

 Martir, southern limits of range unknown. Zonal range, Lower Sonoran. 



Citellus beecheyi nesioticus Elliot* 



1904. Citellus nesioticus Elliot, Field Columb. Mus. Publ. 90, Zool. Ser., vol. 3, 



p. 263, Mar. 7, 1904. 

 1913. Citellus beecheyi nesioticus Grinnell, Proc. California Acad. Sci., ser. 4, 



vol. 3, p. 346, Aug. 28, 1913. 

 Type Locality. — [Near Avalon], Santa Calalina Island, Santa Barbara Islands, 

 Calif. Range. — Santa Catalina Island, Calif. Zonal range, Upper Sonoran. 



Citellus atricapillus (Bryant) * 



1889. Spermophilus grarnmurus atricapillus Bryant, Proc. California Acad. 



Sci., ser. 2, vol. 2, p. 26, June 20, 1889. 

 1938. Citellus atricapillus A. H. Howell, North Amer. Fauna No. 56 (April), 



p. 161, May 18, 1933. 

 Type Locality. — Comondu, Baja California, Mexico. Range. — Southern Baja 

 California, from Sierra de San Francisco (lat. 28° N.) south to Comondu (and 

 possibly farther) . Zonal range, Lower Sonoran. 



Subgenus NOTOCITELLUS A. H. Howell 



1938. Notocitellus A. H. Howell, North Amer. Fauna No. 56 (April), p. 44, 

 May 18, 1938. (Type, Spermophilus annulatus Audubon and Bachman.) 



Citellus annulatus annulatus (Audubon and Bachman) * 



1842. Spermophilus annulatus Audubon and Bachman, Journ. Acad. Nat. Sci. 

 Philadelphia, vol. 8, pt. 2, p. 319. 



