294 U. S. NATIONAL MUSEUM BULLETIN 205 



Thomomys bottae mutabilis Goldmanf * 



1933. Thomomys fulvus mutabilis Goldman, Proc. Biol. Soc. Washington, vol. 

 46, p. 75, Apr. 27, 1933. 



1935. Thomomys bottae mutabilis Goldman, Proc. Biol. Soc. Washington, vol 

 48, p. 156, Oct. 31, 1935. 



Type Locality. — Camp Verde, Yavapai County, Ariz. Altitude, 3,200 feet 

 Range. — Valleys and lower slopes of mountains in Verde and Salt River drainages 

 along southern side of Mogollon Plateau from Camp Verde east to Gila Moun- 

 tains, Graham County, Ariz. (Goldman, North Amer. Fauna No. 59, p. 17, June 

 12, 1947) . Vertical range, 2,500 to 4,500 feet. 



Thomomys bottae operosus Hatfield 



1942. Thomomys bottae operosus Hatfield, Bull. Chicago Acad. Sci., vol. 6, 

 No. 8, p. 151, Jan. 12, 1942. 



Type Locality. — Six miles north of Yarnell, Peeples Valley, Yavapai County, 

 Ariz. Altitude, 4,400 feet. Range. — Known from type locality only, perhaps 

 restricted to Peeples Valley, which is somewhat isolated, midway between desert 

 country of southern Arizona and high plateau to north. 



Thomomys bottae desitus Goldmanf* 



1936. Thomomys bottae desitus Goldman, Journ. Washington Acad. Sci., vol. 

 26, No. 3, p. 113, Mar. 15, 1936. 



Type Locality. — Big Sandy River, near Owen [about 4 miles southeast of 

 Wickieup], Mohave County, Ariz. Altitude, 2,000 feet. Range. — Big Sandy 

 River Valley, Mohave County, east to Kirkland, Yavapai County, Ariz. (Goldman, 

 North Amer. Fauna No. 59, p. 14, June 12, 1947) . Zonal range, Lower Sonoran; 

 vertical range, 2,000 to 4,000 feet 



Thomomys bottae hualpaiensis Goldmanf* 



1936. Thomomys bottae hualpaiensis Goldman, Journ. Washington Acad. Sci., 

 vol. 26, No. 3, p. 114, Mar. 15, 1936. 



Type Locality. — Hualpai Peak, Hualpai Mountains, Mohave County, Ariz. 

 Altitude, 7,000 feet. Range. — Slopes of Hualpai Mountains, Mohave County 

 (Goldman, North Amer. Fauna No. 59, p. 14, June 12, 1947) . Zonal range, Tran- 

 sition ; vertical range, 6,000 to 7,500 feet. 



Thomomys bottae desertorum Merriamf * 



1901. Thomomys desertorum Merriam, Proc. Biol. Soc. Washington, vol. 14, 

 p. 114, July 19, 1901. 



1935. Thomomys bottae desertorum Goldman, Proc. Biol. Soc. Washington, 

 vol. 48, p. 156, Oct. 31, 1935. 



Type Locality. — Mud Spring [= Muddy], Detrital Valley, Mohave County, 

 Ariz. Range. — Lower Sonoran desert region of broad Detrital Valley and neigh- 

 boring areas lying mainly at about 3,500 feet altitude in angle formed by bend 

 of Colorado River north and west of Hualpai Mountains in northwestern Arizona; 

 southern limit in Chemehuevis or Mohave Mountains, Mohave County (Goldman, 

 North Amer. Fauna No. 59, p. 12, June 12, 1947). 



Thomomys bottae virgineus Goldmanf* 



1937. Thomomys bottae virgineus Goldman, Proc. Biol. Soc. Washington, vol. 

 50, p. 133, Sept. 10, 1937. 



