254 BULLETIN 12S, UNITED STATES NATIONAL MUSEUM. 



t*Thomomys fuscus myops (Merriam). 



1901. Thomomys myops Merriam, Proc. Biol. Soc. Washington^ 



voll4, p. 112. July 19, 1901. 

 1915. Thomomys fuscus myops Bailey, North Amer. Faiina^ 



No. 39, p. 130. November 15, 1915. 

 Type Locality. — Conconully, east base of Cascade Range,. 



Okanogan County, Washington. 

 Range. — Boiown only from type locality. 



t*Thomomys hesperus Merriam. 



1901. Thomomys hesperus Merriam, Proc. Biol. Soc. Washing- 

 ton, vol. 14, p. 116. July 19, 1901. 

 Type Locality.— Tillamook, Tillamook County. Oregon. 

 Range.— Coast Region of northwestern Oregon. 



Subgenus MEGASCAPHEUS Elliot. 



1903. Megascapheus Elliot, Field Columb. Mus., publ. 76. zooL 

 ser., vol. 3, p. 190. May, 1903. Type, Diplostoma hulhi- 

 vorum Richardson. 



*Thomomys bulbivorus (Richardson). 



1829. Diplostoma hulbivorum, Richardson, Fauna Boreali- 



Americana, vol. 1, p. 206. 

 1857. Thomomys Imlhivorus Baird, Mamm. N. Amer., p. 389. 

 1893. Thomomys hulhivorus Miller, Bull. Amer. Mus. Nat. Hist., 



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

 Type Locality. — Banks of the Columbia River, probably near 



Portland, Oregon. 

 Range. — Willamette Valley, Oregon, from Portland and Forest 



Grove south to Eugene; west to Grand Ronde. 



Genus GEOMYS Rafinesque."*' 



1817. Geomys Rafinesque, Amer. Monthly Magazine, vol. 2, p. 

 45. November, 1817. Type, Geomys pinetis Rafinesque 

 ( = Mus tuza Barton) . 



i?/.2a-group. 



* Geomys tuza tuza (Barton). 



1806. Mus tuza Barton, Voigt's Magazin der Naturkunde, vol. 



12, p. 488. November, 1806. 

 1875. Geomys tuza Coues, Proc. Acad. Nat. wSci. Philadelphia,, 

 p. 132. 



M Revised by Merriam, North Amer. Fauna, No. 8, pp. 109-145, Jan. 31, 1695. 



