240 BULLETIN 19, UNITED STATES NATIONAL MUSEUM. 



t*Thomomys myops Merriam. 



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



vol. 14, p. 112. July 19, 1901. 

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

 Okanogan County, Washington. 



t*Tiiomomys nasicus Merriam. 



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

 ton, vol. 11, p. 216. July 15, 1897. 

 Type Locality. — Farewell Bend, Des Chutes River, Crook 

 County, Oregon. 



t*Thomomys nelsoni Merriam. 



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

 ton, vol. 14, p. 109. July 19, 1901. 

 Type Locality. — Parral, State of Chihuahua, Mexico. 



t*Thomomys nevadensis Merriam. 



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

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

 Type Locality. — ^Austin, Lander County, Nevada. 



t*Thomomys niger Merriam. 



1901. Thomomys niger Merriam, Proc. Biol. Soc. Washington, 



vol. 14, p. 117. July 19, 1901. 

 Type Locality. — Seaton, near mouth of Umpqua River, Douglas 



County, Oregon. 



t*Thomomys operarius Merriam. 



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

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



Type Locality. — Keeler, east side of Owens Lake, Inyo County, 

 California. 



t*Thomomys orizabse Merriam. 



1893. Thomomys orizahse Mehhiam., Proc. Biol. Soc. Washington, 



vol. 8, p. 145. December 29, 1893. 

 Type Locality. — ^Mount Orizaba, State of Puebla, Mexico. 



Altitude, about 9,500 feet. 



t*Thomomys perditus Merriam. 



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

 ton, vol. 14, p. 108. July 19, 1901. 

 Type Locality. — Lampazos, State of Nuevo Leon, Mexico. 



t*Thomomys peregrinus Merriam. 



1893. Thomomys peregrinus Merriam, Proc. Biol. Soc. Wash- 

 ington, vol. 8, p. 146. December 29, 1893. 

 Type Locality.— Salazar, State of Mexico, Mexico. 



