212 U. S. NATIONAL MUSEUM BULLETIN 205 



1926. Citellus tereticaudus vociferans Huey, Proc. Biol. Soc. Washington, 

 vol. 39, p. 29, July 30, 1926. (San Felipe, Baja California, Mexico.) 



Type Locality. — Old Fort Yuma, Imperial County, Calif., on right bank of 

 the Colorado River, opposite present town of Yuma, Ariz. Range. — Deserts of 

 southern California and northwestern Baja California; north to Death Valley, 

 Inyo County, Calif., to Clark and southern Nye Counties, Nev. (Hall, Mammals 

 of Nevada, p. 318, July 1, 1946), and to extreme northwestern Arizona; south 

 to San Felipe Bay, Baja California; west to Kramer on Mohave Desert, San 

 Bernardino County, and to La Puerta, San Diego County, on Colorado Desert. 

 Zonal range, Lower Sonoran. 



Citellus tereticaudus neglectus (Merriam) f * 



1889. Spermophilus neglectus Merriam, North Amer. Fauna No. 2, p. 17, 



Oct. 30, 1889. 

 1891. Spermophilus sonoriensis Ward, Amer. Nat., vol. 25, p. 158, February 



1891. (Hermosillo, Sonora, Mexico.) 

 1918. Citellus tereticaudus arizonae Grinnell, Proc. Biol. Soc. Washington, 



vol. 31, p. 105, Nov. 29, 1918. (Tempe, Maricopa County, Ariz.) 

 1938. Citellus tereticaudus neglectus A. H. Howell, North Amer. Fauna No. 56 



(April), p. 187, May 18, 1938. 

 Type Locality. — Dolans Spring, 12 miles northwest of Chloride, Mohave 

 County, Ariz. Range. — Western Arizona and western Sonora; north to Detrital 

 Valley, Mohave County, Ariz.; east to Mountain Spring, Pima County; south to 

 Camoa, Rio Mayo, Sonora; west to Colorado River and Gulf of California. 

 Zonal range, Lower Sonoran. 



Citellus tereticaudus chlorus Elliot* 



1904. Citellus chlorus Elliot, Field Columb. Mus. Publ. 87, Zool. Ser., vol. 3, 



No. 14 (December 1903) , p. 242, Jan. 7, 1904. 

 1913. Citellus tereticaudus chlorus Grinnell, Proc. California Acad. Sci., ser. 



4, vol. 3, p. 347, Aug. 28, 1913. 

 Type Locality. — Palm Springs, Riverside County, Calif. Range. — North- 

 western arm of Colorado Desert, specifically, Coachella Valley from Mecca 

 northwest to Cabazon. Zonal range, Lower Sonoran. 



Citellus tereticaudus apricus Huey* 



1927. Citellus tereticaudus apricus Huey, Trans. San Diego Soc. Nat. Hist., 

 vol. 5, No. 7, p. 85, Oct. 10, 1927. 



Type Locality.— YaWe de la Trinidad, lat. 31°20' N., long. 115°40' W., Baja 

 California, Mexico. Range. — Known from type locality only. 



Subgenus CALLOSPERMOPHILUS Merriam 



1897. Callospermophilus Merriam, Proc. Biol. Soc. Washington, vol. 11, p. 

 189, July 1, 1897. (Type, Sciurus lateralis Say.) 



Citellus lateralis lateralis (Say) * 



1823. S[ciurus] lateralis Say, in Long, Account of an expedition from Pitts- 

 burgh to the Rocky Mountains, . . . , vol. 2, p. 46. 



1884. Tamias lateralis True, Proc. U. S. Nat. Mus. vol. 7 (App., Circ. 29), 

 p. 593, Nov. 29, 1884. 



