308 U. S. NATIONAL MUSEUM BULLETIN 205 



Type Locality. — Costa Rica Ranch, delta Rio Sonora, about 40 miles west- 

 southwest of Hermosillo, Sonora, Mexico. Range. — Low desert plains of central 

 western Sonora. 



Thomomys bottae camoae Burt* 



1937. Thomomys bottae camoae Burt, Occ. Pap. Mus. Zool. Univ. Michigan, 

 No. 344, p. 1, Jan. 5, 1937. 



Type Locality. — Camoa, Rio Mayo, Sonora, Mexico. Range. — Coastal plains 

 of southern Sonora from Yaqui River Valley south probably to Sinaloa, Mexico. 



Thomomys bottae sinaloae Merriamf * 



1901. Thomomys sinaloae Merriam, Proc. Biol. Soc. Washington, vol. 14, p. 

 108, July 19, 1901. 



1934. Thomomys bottae sinaloae Nelson and Goldman, Journ. Mamm., vol. 15, 

 No. 2, p. 124, May 15, 1934. 



Type Locality. — Altata, Sinaloa, Mexico. Range. — Coastal plains of central 

 Sinaloa. 



Thomomys suboles Goldman f * 



1928. Thomomys fulvus suboles Goldman, Proc. Biol. Soc. Washington, vol. 

 41, p. 203, Dec. 18, 1928. 



1935. Thomomys bottae suboles Hall and Davis, Univ. California Publ. Zool., 

 vol. 40, No. 10, p. 399, Mar. 13, 1935. 



1935. Thomomys suboles Goldman, Proc. Biol. Soc. Washington, vol. 48, p. 

 157, Oct. 31, 1935. (See also Grinnell and Hill, Journ. Mamm., vol. 17, 

 No. 1, p. 7, Feb. 17, 1937.) 



Type Locality. — Alluvial bottom at Old Searchlight Ferry, Colorado River, 

 about 40 miles northwest of Kingman (or 28 miles west of Chloride), Mohave 

 County, Ariz. Altitude, 600 feet. Range.— Alluvial bottoms in an embayment 

 of escarpment flanking Colorado River, near Old Searchlight Ferry, above Pyra- 

 mid Canyon, and northwest of Kingman, Ariz. (Goldman, North Amer. Fauna 

 No. 59, p. 29, June 12, 1947). 

 Thomomys harquahalae Grinnell and Hill* 



1936. Thomomys harquahalae Grinnell and Hill, Journ. Mamm., vol. 17, No. 1, 

 p. 7, Feb. 17, 1936. 



Type Locality. — Ranegras Plain, 10 miles west of Hope [10 miles west-south- 

 west of Vicksburg], Yuma County, Ariz. Altitude, about 1,250 feet. Range. — 

 Lowest part of broad, open, grassy Ranegras Plain west of Hope, and northwest 

 of Harquahala Mountains, Yuma County (Goldman, North Amer. Fauna No. 59, 

 p. 31, June 12, 1947). 



Thomomys pectoralis Goldmanf * 



1936. Thomomys pectoralis Goldman, Journ. Washington Acad. Sci., vol. 26, 

 No. 3, p. 120, Mar. 15, 1936. 



Type Locality. — Near Carlsbad Cave, Carlsbad Cave National Monument, Eddy 

 County, N. Mex. Range. — Known only from type locality in Pecos River Valley, 

 southeastern New Mexico. 



Thomomys sturgisi Goldmanf* 



1938. Thomomys sturgisi Goldman, Proc. Biol. Soc. Washington, vol. 51, p. 

 56, Mar. 18, 1938. 



