N-ORTH AMERICAN RECENT MAMMALS. 237 



•{■♦Thomomys townsendii nevadensis (Merriam). 



1897. Thomomys nevadensis Merriam, Proc. Biol. Soc. Wash- 

 ington, vol. 11, p. 213. July 15, 1897. 



1915. Thomomys townsendi nevadensis Bailey, North Amer. 

 Fauna, No. 39, p. 44. November 15, 1915. 



Type Locality. — Austin, Lander County, Nevada. 



Range. — Valleys of central and northern Nevada and south- 

 eastern Oregon, from Austin and Lovelocks, Nevada, north to 

 Alvord Lake, Oregon. 



6o«a5-group. 



*Thomomys bottse bottse (Eydoux and Gervais). 



1836. Oryctomys {SaccopJiorus) hottse. Eydoux and Gervais, 

 Mag. de zool., vol. 6, p. 23. 



1855. Thomomys hottx Baird. Proc. Acad. Nat. Sci. Philadel- 

 phia, vol. 7, p. 335. 



1885. Thomomys talpoides hulbivorus True, Proc. U. S. Nat. 

 Mus., vol. 7 (1884), p. 599. 1885. (Part.) 



1893. [Thomomys] lottse Miller, Bull. Amer. Mus. Nat. Hist., 

 vol. 5, p. 57. April 28, 1893. 



Type Locality. — Coast of California. Name applied by Baird 

 in 1855 to the form occurring in the vicinity of Monterey, and 

 reapplied to the same animal by Miller in 1893. 



Range. — Coast region of California, from Sonoma County 

 (Freestone) south to San Diego. 



t*Thomomys bottse laticeps (Baird). 



1855. Thomomys laticeps Baird, Proc. Acad. Nat. Sci. Phila- 

 delphia, vol. 7, p. 335. April, 1855. 



1893. Thomomys laticeps Allen, Bull. Amer. Mus. Nat. Hist., 

 vol. 5, p. 63. April 28, 1893. 



1915. Thomomys hottse laticeps Bailey, North Amer. Fauna, No. 

 39, p. 46. November 15, 1915. 



Type Locality. — Humboldt Bay, Humboldt County, California. 



Range. — Coast region of northwestern California, from Smith 

 River south to Eel River. 



t*Thomomys bottae leucodon (Merriam). 



1897. Thomomys leucodon Merriam, Proc. Biol. Soc. Washing- 

 ton, vol. 11, p. 215. July 15, 1897. 



1915. Thomomys hottx leucodon Bailey, North Amer. Fauna, 

 No. 39, p. 47. November 15, 1915. 



Type Locality. — Grant Pass, Rogue River Valley, Oregon. 



Range. — Portions of northern California and southwestern 

 Oregon, from Grants Pass, Oregon, south to Fairfield and 

 Placerville, California. 



