314 U. S. NATIONAL MUSEUM BULLETIN 205 



1915. Thomomys ocius V. Bailey, North Amer. Fauna No. 39, p. 107, Nov. 15, 

 1915.— Goldman, Journ. Mamm., vol. 20, No. 2, p. 233, May 14, 1939. 



1946. Thomomys talpoides ocius Durrant, Univ. Kansas Publ. Mus. Nat. Hist., 

 vol. 1, No. 1, p. 17, Aug. 15, 1946. 



Type Locality. — Harvey's Ranch, now Mountainview, on Smiths Fork, 4 miles 

 (airline) southeast of Fort Bridger, Uinta County, southwestern Wyoming 

 (see Hooper, Journ. Mamm., vol. 24, No. 4, p. 503, Nov. 17, 1943). Range.— 

 Eastern Uintah County in northeastern Utah (Kelson, Univ. Utah Biol. Ser., vol. 

 11, No. 3, p. 47, Feb. 15, 1951) ; and along Henry's Fork in extreme southwestern 

 Sweetwater County and Uinta County, Wyo. (Durrant, op. cit., p. 19) . 



Thomomys talpoides rostral is Hall and Montague* 



1951. Thomomys talpoides rostralis Hall and Montague, Univ. Kansas Publ. 

 Mus. Nat. Hist., vol. 5, No. 3, p. 27, Feb. 28, 1951. 



Type Locality. — One mile east of Laramie, Albany County, Wyo. Altitude, 

 7,164 feet. Range. — Southern Wyoming and south in mountains of Colorado 

 to Arkansas River, but not including Colorado River drainage except in Grand 

 County and part of Routt County. 



Thomomys talpoides attenuatus Hall and Montague* 



1951. Thomomys talpoides attenuatus Hall and Montague, Univ. Kansas Publ. 

 Mus. Nat. Hist., vol. 5, No. 3, p. 29, Feb. 28, 1951. 



Type Locality. — Three and one-half miles west of Horse Creek Post Office, 

 Laramie County, Wyo. Altitude, 7,000 feet. Range. — Southeastern Wyoming 

 from Niobrara County south into Weld County, Colo. 



Thomomys talpoides retrorsus Hallf * 



1951. Thomomys talpoides retrorsus Hall, Univ. Kansas Publ. Mus. Nat. Hist., 

 vol 5, No. 8, p. 83, Oct. 1, 1951. 



Type Locality. — Flagler, Kit Carson County, Colo. Range. — Western end of 

 Arkansas Divide in Colorado from 8 miles south of Seibert westward to Colorado 

 Springs. 



Thomomys talpoides fossor J. A. Allen* 



1893. Thomomys fossor J. A. Allen, Bull. Amer. Mus. Nat. Hist., vol. 5, p. 51, 

 Apr. 28, 1893. 



1939. Thomomys talpoides fossor Goldman, Journ. Mamm., vol. 20, No. 2, 

 p. 234, May 15, 1939. 



Type Locality. — Florida, La Plata County, Colo. Altitude, 7,200 feet. 

 Range. — In northeastern Arizona, near tops of Tunitcha and Lukachukai Moun- 

 tains (Goldman, North Amer. Fauna No. 59, p. 33, June 12, 1947) ; north-central 

 and northwestern New Mexico (V. Bailey, North Amer. Fauna No. 53 (December 

 1931), p. 229, Mar. 1, 1932) ; mountains of Colorado, from La Plata, Archuleta, 

 Costilla, and Huerfano Counties north to Colorado River drainage. 



Thomomys talpoides macrotis F. W. Miller* 



1930. Thomomys talpoides macrotis F. W. Miller, Proc. Colorado Mus. Nat. 

 Hist., vol. 9, No. 3, p. 41, Dec. 14, 1930. 



Type Locality. — D'Arcy Ranch, 2 miles north of Parker, Douglas County, 

 Colo. Altitude, 5,700 feet. Range. — Known from type locality only. 



