RODENTIA: CRICETIDAE 525 



Sigmodon hispidus alfredi Goldman and Gardnerf * 



1947. Sigmodon hispidus alfredi Goldman and Gardner, Journ. Mamm., vol. 

 28, No. 1, p. 57, Feb. 17, 1947. 



Type Locality. — I. N. Pruitt Farm, near William's Corner, 11 miles north of 

 Springfield, Baca County, Colo. Range. — Known from localities in Baca County, 

 southeastern Colorado. 



Sigmodon hispidus berlandieri (Baird)f* 



1855. Sigmodon berlandieri Baird, Proc. Acad. Nat. Sci. Philadelphia, vol. 7 



(1854-1855), p. 333. 

 1897. Sigmodon hispidus pallidus Mearnsf, Preliminary diagnoses of new 

 mammals of the genera Sciurus, Castor, Neotoma, and Sigmodon, from the 

 Mexican border of the United States, p. 4, Mar. 5, 1897. (Preprint of Proc. 

 U. S. Nat. Mus., vol. 20, p. 504, Jan. 19, 1898. Left bank of Rio Grande, 

 about 6 miles above El Paso, El Paso County, Tex.) 

 1902. Sigmodon hispidus berlandieri V. Bailey, Proc. Biol. Soc. Washington, 



vol. 15, p. 106, June 2, 1902. 

 Type Locality. — Rio Nazas, Coahuila, Mexico. Range. — Central Texas from 

 San Patricio County northward to Roberts County, Rio Grande Valley from 

 Brownsville to El Paso and Pecos River Valley northwest from its junction with 

 Rio Grande (V. Bailey, North Amer. Fauna No. 25, p. 117, Oct. 24, 1905) ; in 

 southern New Mexico northward in Pecos River Valley to Carlsbad and Roswell, 

 in Tularosa Valley north to Tularosa, in Rio Grande Valley from El Paso to 

 Socorro and westward to near Deming (V. Bailey, N. Amer. Fauna No. 53 (De- 

 cember 1931), p. 166, Mar. 1, 1932); south through Chihuahua, Coahuila. 

 Nuevo Leon, Tamaulipas, San Luis Potosi, Queretaro, and Zacatecas to southern 

 Jalisco (V. Bailey, Proc. Biol. Soc. Washington, vol. 15, p. 106, June 2, 1902) 

 and to near Pachuca in southern Hidalgo, Mexico (Davis, Journ. Mamm., vol. 25, 

 No. 4, p. 399, Dec. 12, 1944). 



Sigmodon hispidus solus Hall 



1951. Sigmodon hispidus solus Hall, Univ. Kansas Publ. Mus. Nat. Hist., 

 vol. 5, No. 4, p. 42, Oct. 1, 1951. 



Type Locality. — Island, 88 miles south and 10 miles west of Matamoros, 

 Tamaulipas, Mexico. Range. — Known only from type locality, but probably 

 occurring on most of chain of islands off coast of Tamaulipas. 



Sigmodon hispidus cienegae A. B. Howell* 



1919. Sigmodon hispidus cienegae A. B. Howell, Proc. Biol. Soc. Washington, 

 vol. 32, p. 161, Sept. 30, 1919. 



Type Locality. — Bullock's Ranch, 4 miles east of Fort Lowell, Pima County, 

 Ariz. Range. — Southeastern Arizona from vicinity of Tucson southeast to 

 Huachuca Mountains (Dice and Blossom, Carnegie Inst. Washington Publ. 485, 

 p. 37, 1937) and Chiricahua Mountains (Hall and Davis, Proc. Biol. Soc. Wash- 

 ington, vol. 47, fig. 1, p. 54, Feb. 9, 1934; see also Benson, Proc. Biol. Soc. 

 Washington, vol. 53, p. 157, Dec. 19, 1940) ; and north-central Sonora, Mexico, 

 south to Ures and Hermosillo (Burt, Univ. Michigan Mus. Zool. Misc. Publ. 39, 

 p. 60, Feb. 15, 1938) . 



