272 THOMOMYS. 



Oryctomys Eyd. & Gerv., Mag. Zool., vi, 1836, p. 23. (Part.) 

 Megascapheus Elliot, Pub. Field Columb. Mus., iii, 1903, p. 190. 

 Zool. Ser. 



Subgenus A. Megascapheus. 



669. Thomomys bulbivorus (Richardson). 



Diplostoma bulbivorum Rich., Faun. Bor. Amer., i, 1829, p. 206, 



pi. 18, B. 

 Thomomys bulbivorus Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 222. Zool. Ser. 

 Great Pocket Gopher. 



Type locality. Banks of the Columbia River, Oregon. 

 Geogr. Distr. Shores of the Lower Columbia River, Oregon, to 

 coast of California north of San Francisco. 



Subgenus B. Thomomys. 



670. Thomomys fulvus (Woodhouse). 



Geomys fulvus Woodh., Proc, Acad. Nat. Scien. Phil., 1852, p. 201. 



Thomomys fulvus Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 227. Zool. Ser. Id. Mamm. Middle Amer. & W. In- 

 dies^, F. C. M. Pub., iv, Pt. i, 1904, p. 334, fig. xlvii. Zool. Ser. 



Ascomys umbrinus Wagn., Schreb. Saugth., Suppl., iv, 1843, 



P- 339- 

 Pseudostoma umbrinus Aud. & Bach., Quad. N. Am., iii, 1854, 



P- 307- 



Thomomys umbrinus Baird, N. Am. Mamm., 1857, p. 399. 

 Reddish brown Pocket Gopher. 



Type locality. San Francisco Mountains, Coconino County, Ari- 

 zona. 



Geogr. Distr. State of Sonora, Mexico, north into New Mexico, 

 and Arizona to central California. Lower California ? 



671. Thomomys nevadensis Merriam. 



Thomomys nevadensis Merr., Proc. Biol. Soc. Wash., xi, 1897, 

 p. 213. Elliot, Syn. N. Am, Mamm., F. C. M. Pub., 11, 1901, 

 p. 223. Zool. Ser. 

 Nevada Pocket Gopher. 



Type locality. Austin, Lander County, Nevada. 



Geogr. Distr. Nevada. Range unknown. 



672. Thomomys uinta Merriam. 



Thomomys uinta Merr., Proc. Biol. Soc. Wash., xiv, 1901, p. 112. 



