208 U. S. NATIONAL MUSEUM BULLETIN 205 



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



Circ. 29), p. 595, Nov. 29, 1884. 

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



(April), p. 163, May 18, 1938. 

 Type Locality. — Unknown ; probably in western Mexico ; "fixed" at Manzanillo, 

 Colima, Mexico (A. H. Howell, loc. cit.). Range. — Colima and northern Guer- 

 rero, Mexico; probably also coastal region of Michoacan. Zonal range, entirely 

 Tropical. 



Citellus annulatus goldmani (Merriara)f* 



1902. Spermophilus annulatus goldmani Merriam, Proc. Biol. Soc. Washing- 

 ton, vol. 15, p. 69, Mar. 22, 1902. 



1904. C[itellus] a[nnulatus] goldmani Elliot, Field Columb. Mus. Publ. 95, 

 Zool. Sen, vol. 4, pt. 1, p. 140, Aug. 2, 1904. 



Type Locality. — Santiago, Nayarit, Mexico. Range. — Known at present only 

 from southern part of State of Nayarit on west coast of Mexico. Zonal range, 

 Tropical. 



Citellus adocetus adocetus Merriamf * 



1903. Citellus adocetus Merriam, Proc. Biol. Soc. Washington, vol. 16, p. 79, 

 May 29, 1903. 



Type Locality. — La Salada, 40 miles south of Uruapan, Michoacan, Mexico. 

 Range. — Southern Michoacan and northern Guerrero, Mexico. Zonal range, 

 Tropical. 



Citellus adocetus arceliae Villa* 



1942. Citellus adocetus arceliae Villa, Anal. Inst. Biol. Univ. Nac. Mexico, 

 vol. 13, No. 1 (May 14) , p. 357, October 1942. 



Type Locality. — El Limon ranch, 4 kilometers south of Arcelia, Aldama Dis- 

 trict, Guerrero, Mexico. Range. — Valley of upper Rio de las Balsas, Guerrero 

 and Michoacan, Mexico. 



Subgenus AMMOSPEUMOPHILUS « Merriam 



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

 Apr. 13, 1892. (Type, Tamias leucurus Merriam.) 



Citellus harrisii harrisii (Audubon and Bachman)* 



1854. Spermophilus harrisii Audubon and Bachman, The viviparous quadru- 

 peds of North America, vol. 3, p. 267. 



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

 p. 594, Nov. 29, 1884. 



1904. {Citellus] harrisi Elliot, Field Columb. Mus. Publ. 95, Zool. Ser., vol. 4, 

 pt. 1, p. 141, Aug. 2, 1904. 



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

 (April) , p. 167, May 18, 1938. 



Type Locality. — Not designated by original describers. "Fixed" (A. H. 

 Howell, loc. cit.) in the Santa Cruz Valley, Santa Cruz County, Ariz., at the 

 Mexican boundary line. Range. — Greater part of southern, central, and north- 

 western Arizona; north to Colorado River, west of long. 113° W.; east to south- 



n Regarded as a valid genus by Bryant, Amer. Midi. Nat., vol. 33, No. 2, p. 374, March 1945. 



