330 U. S. NATIONAL MUSEUM BULLETIN 205 



1934. Thomomys umbrinus emotus Nelson and Goldman, Journ. Mamm., vol. 

 15, No. 2, p. 116, May 15, 1934. 



Type Locality. — Animas Peak, Animas Mountains, Hidalgo County, N . Mex. 

 Altitude, 8,000 feet. Range. — Known only from upper slopes of Animas Moun- 

 tains, southwestern New Mexico. 



Thomomys umbrinus intermedius Mearnsf * 



1897. Thomomys fulvus intermedius Mearns, Proc. U. S. Nat. Mus., vol. 19, 



p. 719, July 30, 1897. 

 1934. Thomomys umbrinus intermedius Nelson and Goldman, Journ. Mamm., 



vol. 15, No. 2, p. 117, May 15, 1934. 

 Type Locality. — Summit of Huachuca Mountains, Cochise County, southern 

 Arizona. Altitude, 9,000 feet. Range. — Known from type locality only. 



Thomomys umbrinus burti Huey* 



1932. Thomomys burti Huey, Trans. San Diego Soc. Nat. Hist., vol. 7, No. 15, 



p. 158, July 28, 1932. 

 1934. Thomomys umbrinus burti Nelson and Goldman, Journ. Mamm., vol. 



15, No. 2, p. 117, May 15, 1934. 

 Type Locality. — Madera Canyon, Santa Rita Mountains, Santa Cruz County, 

 Ariz. Altitude, 6,000 feet. Range. — Santa Rita Mountains, southern Arizona 

 (Goldman, North Amer. Fauna No. 59, p. 34, June 12, 1947). Zonal range, 

 Upper Sonoran and Transition ; vertical range, 4,500 to 8,000 feet. 



Thomomys umbrinus quercinus Burt and Campbell* 



1934. Thomomys burti quercinus Burt and Campbell, Journ. Mamm., vol. 15, 

 No. 2, p. 150, May 15, 1934. 



1943. Thomomys umbrinus quercinus Goldman, Journ. Washington Acad. Sci., 

 vol. 33, No. 4, p. 147, May 15, 1943. 



Type Locality. — Pena Blanca Spring, Pajarito Mountains (=Tumacacori 

 Mountains, near Mexican boundary, north of Monument 128) , Santa Cruz County, 

 Ariz. Range. — From 4,500 feet altitude at type locality in Pajarito Mountains to 

 about 6,000 feet on pass over summit of Patagonia Mountains, Ariz. (Goldman, 

 North Amer. Fauna No. 59, p. 35, June 12, 1947) . Zonal range, Upper Sonoran. 



Thomomys umbrinus proximus Burt and Campbell* 



1934. Thomomys burti proximus Burt and Campbell, Journ, Mamm., vol. 15, 

 No. 2, p. 151, May 15, 1934. 



1943. Thomomys umbrinus proximus Goldman, Journ. Washington Acad. Sci., 

 vol. 33, No. 5, p. 147, May 15, 1943. 



Type Locality. — Old Parker Ranch (Pickett's Ranch on U. S. Geol. Surv. Pata- 

 gonia Quadrangle, August 1905) , 4 miles west of Greaterville, west slope of Santa 

 Rita Mountains, Pima County, Ariz. Altitude, 4,800 feet. Range. — Recorded 

 from west slope of Santa Rita Mountains at Empire Ranch, east of these mountains 

 at Fort Huachuca, and at Arivaca, Ariz. (Goldman, North Amer. Fauna No. 59, 

 p. 33, June 12, 1947). Zonal range, Upper Sonoran; vertical range, 4,500 to 

 4,800 feet. 



Thomomys umbrinus sonoriensis Nelson and Goldmanf* 



1934. Thomomys umbrinus sonoriensis Nelson and Goldman, Journ. Mamm., 

 vol. 15, No. 2, p. 118, May 15, 1934. 



