RODENTIA: SCIURIDAE 211 



Valley and Castle Mountains, Tex. ; west to eastern side of Rio Grande Valley, in 

 New Mexico ; south to Jaral, Coahuila. Zonal range, Lower Sonoran. 



Citellus insularis (Nelson and Goldman) f* 



1909. Ammospermophilus leucurus insularis Nelson and Goldman, Proc. Biol. 



Soc. Washington, vol. 22, p. 24, Mar. 10, 1909. 

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



p. 181, May 18, 1938. 

 Type Locality. — Espiritu Santo Island, Gulf of California, Baja California, 

 Mexico. Range. — Espiritu Santo Island. Zonal range, Tropical. 



Citellus nelsoni (Merriam)f* 



1893. Spermophilus nelsoni Merriam, Proc. Biol. Soc. Washington, vol. 8, 



p. 129, Dec. 28, 1893. 

 1904. Citellus nelsoni Elliot, Field Columb. Mus. Publ. 91, Zool. Ser., vol. 3, 



No. 16 (March) , p. 290, Apr. 4, 1904. 

 1916. Ammospermophilus nelsoni amplus Taylor, Univ. California Publ. Zool., 

 vol. 17, No. 4, p. 15, Oct. 3, 1916. (Twenty miles south of Los Banos, 

 Merced County, Calif. = near mouth of Little Panoche Creek, western Fresno 

 County; see Grinnell, Univ. California Publ. Zool., vol. 40, No. 2, p. 127, 

 Sept. 26, 1933.) 

 Type Locality. — Tipton, San Joaquin Valley, Tulare County, Calif. Range. — 

 San Joaquin Valley, Calif., from Los Banos south to Fort Tejon; west to Carrizo 

 Plain and Cuyama Valley. Zonal range, Lower Sonoran. 



Subgenus XEROSPERMOPHILUS Merriam 



1892. Xerospermophilus Merriam, Proc. Biol. Soc. Washington, vol. 7, p. 27, 

 Apr. 13, 1892. (Type, Spermophilus moliavensis Merriam.) 



Citellus mohavensis (Merriam) f* 



1889. Spermophilus mohavensis Merriam, North Amer. Fauna No. 2, p. 15, 

 Oct. 30, 1889. 



1904. [Citellus] mohavensis Trouessart, Catalogus Mammalium . . . , Suppl., 

 fasc. 2, p. 341. 



Type Locality. — Mohave River, San Bernardino County, Calif.; more exactly 

 near Rabbit Springs, about 15 miles east of Mohave River at [opposite] Hesperia, 

 San Bernardino County (Grinnell and Dixon, Monthly Bull. California Comm. 

 Hort., vol. 7 (1918), p. 667, Jan. 27, 1919). Range.— Mohave Desert, Calif., 

 west to Palmdale, Los Angeles County; north to Haiwee Meadows, Inyo County; 

 south to Rabbit Springs, San Bernardino County. Zonal range, Lower Sonoran. 



Citellus terelicaudus tereticaudus (Baird)t* 



1858. Spermophilus tereticaudus Baird, Mammals, in Rep. Expl. Surv. Railr. 



to Pacific, vol. 8, pt. 1 (Washington, 1857), p. 315, July 14, 1858. 

 1884. Spermophilus tereticaudus True, Proc. U. S. Nat. Mus., vol. 7 (App., 



Circ. 29), p. 594, Nov. 29, 1884. 

 1904. C[itellus] terelicaudus Elliot, Field Columb. Mus. Publ. 87, Zool. Ser., 



vol. 3, No. 14 (December 1903), p. 242, Jan. 7, 1904. 

 1904. Citellus eremonomus Elliot, Field Columb. Mus. Publ. 87, Zool. Ser., 



vol. 3, No. 14 (December 1903), p. 243, Jan. 7, 1904. (Furnace Creek, 



Death Valley, Inyo County, Calif.) 



