326 U. S. NATIONAL MUSEUM BULLETIN 205 



Type Locality. — Farewell Bend, Deschutes River, Deschutes County, Oreg. 

 Range. — Yellow pine forest east of Cascade Mountains, from Farewell Bend on 

 Deschutes River to Fort Klamath, in Paulina and Yamsey Mountains, Oregon 

 (V. Bailey, North Araer. Fauna No. 55 (June) , p. 259, Aug. 29, 1936) . 



Thoniomys monticola hesperus Merriamf* 



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



p. 116, July 19, 1901. 

 1943. Thomomys monticola hesperus Goldman, Journ. Washington Acad. Sci., 



vol. 33, No. 5, p. 146, May 15, 1943. 

 Type Locality. — Tillamook, Tillamook County, Oreg. Range. — Coastal region 

 of northwestern Oregon in Tillamook and southern Clatsop Counties (V. Bailey, 

 North Amer. Fauna No. 55 (June), p. 255, Aug. 29, 1936). 



Thomomys monticola oregonus Merriamf* 



1901. Thomomys douglasi oregonus Merriam, Proc. Biol. Soc. Washington, 



vol. 14, p. 115, July 19, 1901. 

 1943. Thomomys monticola oregonus Goldman, Journ. Washington Acad. Sci., 



vol. 33, No. 5, p. 146, May 15, 1943. 

 Type Locality. — Ely, near Oregon City, Willamette Valley, Clackamas County, 

 Oreg. Range. — Northwestern Oregon, from Hillsboro, Washington County, 

 south to Pedee, Polk County, and east to Parkdale, Hood County (V. Bailey, 

 North Amer. Fauna No. 55 (June) , p. 254, Aug. 29, 1936) . 



umbrinus — group ^ 

 Thomomys umbrinus umbrinus (Richardson)* 

 1829. Geomys umbrinus Richardson, Fauna Boreali- Americana; . . ., vol. 1, 



p. 202. 

 1906. Thomomys umbrinus V. Bailey, Proc. Biol. Soc. Washington, vol. 19, 



p. 3, Jan. 29, 1906. 

 Type Locality. — Supposed to have been at "Cadadaguios, a town in the south- 

 western part of Louisiana"; but actually somewhere in southern Mexico, probably 

 in the vicinity of Boca del Monte, Veracruz [probably Puebla], (see V. Bailey, 

 op. cit., pp. 3-6). Range. — Eastern edge of high plateau at Boca del Monte, 

 eastern Veracruz, Mexico; limits of range unknown (Nelson and Goldman, 

 Journ. Mamm., vol. 15, No. 2, p. 106, May 15, 1934) . 



Thomomys umbrinus orizabae Merriamf* 



1893. Thomomys orizabae Merriam, Proc. Biol. Soc. Washington, vol. 8, p. 145, 



Dec. 29, 1893. 

 1915. Thomomys umbrinus orizabae V. Bailey, North Amer. Fauna No. 39, 



p. 90, Nov. 15, 1915. 

 Type Locality. — Volcan de Orizaba, Puebla, Mexico. Altitude, about 9,500 

 feet. Range. — Known from upper slopes of Volcan de Orizaba only. 



Thomomys umbrinus mart men sis Nelson and Goldmanf * 



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

 vol. 15, No. 2, p. 108, May 15, 1934. 



" Subspecies reviewed by Nelson and Goldman, Journ. Mamm., vol. 15, No. 2, pp. 105-121, 

 May 15, 1934. 



