516 U. S. NATIONAL MUSEUM BULLETIN 205 



Type Locality. — Kanab, Kane County, Utah. Range. — Canyon lands west of 

 Colorado and Green Rivers in Utah (Kelson, Univ. Utah Biol. Ser., vol. 11, No. 3, 

 p. 87, Feb. 15, 1951). 

 Onychomys leucogaster pallescens Merriamf* 



1890. Onychomys melanophrys pallescens Merriam, North Amer. Fauna No. 3, 



p. 61, Sept. 11, 1890. (Regarded as valid by Benson, Univ. California 



Publ. Zool., vol. 40, No. 14, p. 451, Dec. 31, 1935, and Kelson, Univ. Utah 



Biol. Ser., vol. 11, No. 3, p. 88, Feb. 15, 1951.) 



1895. Onychomys leucogaster pallescens J. A. Allen Bull. Amer. Mus. Nat. 



Hist., vol. 7, p. 225, June 29, 1895. 

 Type Locality. — Moki Pueblos, Navajo County, Ariz. Range. — Southeastern 

 Utah, southwestern Colorado, northwestern New Mexico, and northeastern Ari- 

 zona. North in Colorado [Grand] River Valley to Fruita, Mesa County, and in 

 Rio Grande Valley to Crestone in southeastern Saguache County, Colorado 

 (Warren, The mammals of Colorado, . . . , p. 193, 1942) ; west through canyon 

 lands to Colorado and Green Rivers (Kelson, loc. cit.) ; south to Albuquerque, 

 Laguna, Acoma, and Zuni River in northwestern New Mexico (Hollister, Proc. 

 U. S. Nat. Mus., vol. 47, p. 446, Oct. 29, 1914) ; and west through northeastern 

 Arizona to Flagstaff. 

 Onychomys leucogaster fuliginosus Merriamf* 



1890. Onychomys fuliginosus Merriam, North Amer. Fauna No. 3, p. 59, 



Sept. 11, 1890. 

 1913. 0[nychomys] l[eucogaster'] fuliginosus Hollister, Proc. Biol. Soc. Wash- 

 ington, vol. 26, p. 216, Dec. 20, 1913. 

 Type Locality.— Black Tank lava beds [12 to 15 miles north of Dead Man Flat] , 

 northeast of San Francisco Mountain, Coconino County, Ariz. Range. — Lava 

 beds and pinon and cedar belt, east and northeast of San Francisco Mountain, 

 Ariz. 



Onychomys leucogaster ruidosae Stone and Rehn* 



1903. Onychomys ruidosae Stone and Rehn, Proc. Acad. Nat. Sci. Philadelphia, 

 vol. 55, p. 22, May 7, 1903. 



1913. Onychomys leucogaster ruidosae Hollister, Proc. Biol. Soc. Washington, 

 vol. 26, p. 216, Dec. 20, 1913. 



Type Locality. — Hale's Ranch, Ruidosa, Lincoln County, N. Mex. Range. — 

 Chiefly mountainous region of southeastern Arizona and central and south- 

 western New Mexico, North to Camp Verde, Ariz., and to Las Vegas and Sandia 

 Mountains, N. Mex. (V. Bailey, North Amer. Fauna No. 53 (December 1931), 

 p. 140, Mar. 1, 1932); east to Capitan Mountains, N. Mex.; and south into 

 northern Chihuahua and northeastern Sonora (Burt, Univ. Michigan Mus. Zool. 

 Misc. Publ. 39, p. 50, Feb. 15, 1938) . 

 Onychomys leucogaster capitulatus Hollisterf * 



1913. Onychomys leucogaster capitulatus Hollister, Proc. Biol. Soc. Washing- 

 ton, vol. 26, p. 215, Dec. 20, 1913. 



Type Locality. — Lower end of Prospect Valley [about 25 miles west-southwest 

 of Supai], Hualpai Indian Reservation, Grand Canyon, Coconino County, Ariz. 

 Altitude, 4,500 feet. Range. — Known from type locality and from Aubrey Val- 

 ley, Ariz. 



