RODENTIA: HETEROMYIDAE 369 



Perognathus f ormosus cinerascens Nelson and Goldman 



1929. Perognathus formosus cinerascens Nelson and Goldman, Proc. Biol. 

 Soc. Washington, vol. 42, p. 105, Mar. 25, 1929. 



Type Locality. — San Felipe, northeastern Baja California, Mexico. Range. — 

 Known from type locality only. 



Subgenus CHAETODIPUS Merriam 



1889. Chaetodipus Merriam, North Amer. Fauna No. 1, p. 5, Oct. 25, 1889. 

 (Type, Perognathus spinatus Merriam.) 



baileyi — group 



Perognathus baileyi baileyi Merriamf* 



1894. Perognathus baileyi Merriam, Proc. Acad. Nat. Sci. Philadelphia, vol. 46, 

 p. 262, Sept. 27, 1894. 



Type Locality. — Magdalena, Sonora, Mexico. Range. — From Salt River Val- 

 ley in east-central Arizona (Goldman, Proc. Biol. Soc. Washington, vol. 41, 

 p. 205, Dec. 18, 1928) south through most of Sonora, except higher mountains 

 along eastern border, to Obregon (Burt, Univ. Michigan Mus. Zool. Misc. Publ. 

 39, p. 44, Feb. 15, 1938). 



Perognathus baileyi domensis Goldmanf* 



1928. Perognathus baileyi domensis Goldman, Proc. Biol. Soc. Washington, 

 vol. 41, p. 204, Dec. 18, 1928. 



Type Locality. — Castle Dome (at base of Castle Dome Peak), Yuma County, 

 Ariz. Altitude, 1,400 feet. Range. — Recorded also in Yuma County at Tinajas 

 Altas (Dice and Blossom, Carnegie Inst. Washington Publ. 485, p. 27, 1937) and 

 Cabeza Prieta Mountains (Halloran, Journ. Mamm., vol. 28, No. 1, p. 65, Feb. 

 17, 1947) . 



Perognathus baileyi hueyi Nelson and Goldman 



1929. Perognathus baileyi hueyi Nelson and Goldman, Proc. Biol. Soc. Wash- 

 ington, vol. 42, p. 106, Mar. 25, 1929. 



Type Locality. — San Felipe, northeastern Baja California, Mexico. Range. — 

 Desert region east of Sierra San Pedro Martir in northeastern Baja California; 

 specimens from Calamahue and Onyx tend toward hueyi (Nelson and Goldman, 

 Journ. Washington Acad. Sci., vol. 20, No. 12, p. 224, June 19, 1930) ; in 

 California, desert slopes of Coast Ranges in eastern San Diego County, north 

 from Mountain Spring near Mexican boundary to San Felipe Narrows; zonal 

 range, chiefly Upper Sonoran; vertical range, from 900 feet at San Felipe Nar- 

 rows up to about 2,500 feet at Mountain Spring (Grinnell, Univ. California Publ. 

 Zool., vol. 40, No. 2, p. 152, Sept. 26, 1933). 



Perognathus baileyi rudinoris Elliot* 



1903. Perognathus baileyi rudinoris Elliot, Field Columb. Mus. Publ. 74 

 Zool. Ser., vol. 3, No. 10 (April) , p. 167, May 7, 1903. 



1903. Perognathus knekus Elliot, Field Columb. Mus. Publ. 74, Zool. Ser., 

 vol. 3, No. 10 (April), p. 169, May 7, 1903. (Rosarito, Sierra San Pedro 

 Martir, Baja California, Mexico. Regarded as an unusually large specimen 



