530 U. S. NATIONAL MUSEUM BULLETIN 205 



Sigmodon guerrerensis Nelson and Goldmanf * 



1933. Sigmodon guerrerensis Nelson and Goldman, Proc. Biol. Soc. Washing- 

 ton, vol. 46, p. 196, Oct. 26, 1933. 



Type Locality. — Omilteme, Guerrero, Mexico. Altitude, 8,000 feet. Range. — 

 Known from type locality only. 



Sigmodon melanotis V. Bailey f * 



1902. Sigmodon melanotis V. Bailey, Proc. Biol. Soc. Washington, vol. 15, 

 p. 114, June 2, 1902. 



Type Locality. — Patzcuaro, Michoacan, Mexico. Altitude, 7,000 feet. 

 Range. — Central Michoacan (Hall and Villa, Univ. Kansas Publ. Mus. Nat. Hist., 

 vol. 1, No. 22, p. 465, Dec. 27, 1949) . 



Sigmodon minimus minimus Mearnsf * 



1894. Sigmodon minima Mearns, Proc. U. S. Nat. Mus., vol. 17, p. 130, July 

 19, 1894. 



Type Locality. — Near monument No. 40, Hidalgo County, N. Mex., on Mexican 

 boundary, 100 miles west of initial monument on west bank of Rio Grande. Alti- 

 tude, 1,500 meters. Range. — Low mountains and valleys of southwestern New 

 Mexico (V. Bailey, North Amer. Fauna No. 53 (December 1931) , p. 169, Mar. 1, 

 3932), southeastern Arizona (Dice and Blossom, Carnegie Inst. Washington 

 Publ. 485, p. 37, 1937), northeastern Sonora (Burt, Univ. Michigan Mus. Zool. 

 Misc. Publ. 39, p. 62, Feb. 15, 1938) and northwestern Chihuahua, Mexico. 



Sigmodon minimus goldmani V. Bailey f * 



1913. Sigmodon minimus goldmani V. Bailey, Proc. Biol. Soc. Washington, 

 vol. 26, p. 132, May 21, 1913. 



Type Locality. — Seven miles north of Las Palomas (at Hot Springs) , Sierra 

 County, N. Mex. (see Gardner, Journ. Mamm., vol. 28, No. 2, p. 190, June 1, 

 1947). Altitude, 4,200 feet. Range.— Known from type locality only. 



Sigmodon minimus woodi Gardner! * 



1948. Sigmodon minimus ivoodi Gardner, Journ. Mamm., vol. 29, No. 1, 

 p. 65, Feb. 13, 1948. 



Type Locality. — East side of Rio Grande, 51 miles south of Albuquerque 

 (near Bernardo), Socorro County, N. Mex. Altitude, 5,000 feet. Range. — 

 Known from type locality only. 



Sigmodon ochrognathus ochrognathus V. Bailey f* 



1902. Sigmodon ochrognathus V. Bailey, Proc. Biol. Soc. Washington, vol. 

 15, p. 115, June 2, 1902. 



Type Locality. — Chisos Mountains, Brewster County, Tex. Altitude, 8,000 

 feet. Range. — Big Bend region of Rio Grande in Texas and Coahuila, Mexico 

 (Goldman and Gardner, Journ. Mamm., vol. 28, No. 1, p. 58, Feb. 17, 1947. 

 See also Blair, Univ. Michigan Mus. Zool. Misc. Publ. 46, p. 32, June 28, 1940; 

 and Borell and Bryant, Univ. California Publ. Zool., vol. 48, No. 1, p. 34, Aug. 

 7,1942). 



Sigmodon ochrognathus montanus Benson* 



1940. Sigmodon ochrognathus montanus Benson, Proc. Biol. Soc. Wash- 

 ington, vol. 53, p. 157, Dec. 19, 1940. 



