NORTH AMERICAN LAND MAMMALS. 241 



t*Thomomys perpallidus (Merriam). 



1886. Tliomomys talpoides perpallidus Merriam, Science, vol 8, 



p. 588. December 24, 1886. 

 1893. Thomomys perpallidus Allen, Bull. Amer. Mus. Nat. 



Hist., vol. 5, p. 54. April 28, 1893. 

 Type Locality. — Colorado Desert, Imperial Comity, California. 



t*Thomomys pygmaeus Merriam. 



1901. Thomomys pygmaeus Merriam, Proc. Biol. Soc. Wash- 

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

 Type Locality. — ^Montpelier Greek, Bear County, Idaho. 

 Altitude, 6,700 feet. 



t*Thomomys quadratus Merriam. 



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

 ington, vol. 11, p. 214. July 15, 1897. 

 Type Locality. — ^The Dalles, Wasco County, Oregon. 



*Thomomys rufescens Wied. 



1839. Thomomys rufescens Wied, Nova acta phys. med. acad. 



caes. Leop.-Catol., vol. 19, pt. 1, p. 378. 

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



vol. 5, p. 62. April 28, 1893. 

 Type Locality. — Missouri River, exact locality not known. 



(See Allen, Bull. Amer. Mus. Nat. Hist., vol. 5, p. 62, April 28 



1893.) 

 Regarded by Allen (Bull. Amer. Mus. Nat. Hist., vol. 5, p. 67, April 28, 



1893) aa questionably distinct from T. talpoides. 



*Thomomys scapterus Elliot. 



1903. Thomomys scapterus Elliot, Field Columb. Mus., publ. 



87, zool. ser., vol. 3, p. 248. December, 1903. 

 Type Locality. — Hannopee Canyon, Panamint Mountains, 

 Inyo County, California. 



t*Thomomys sinaloae Merriam. 



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

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

 Type Locality. — ^Altata, State of Sinaloa, Mexico. 



*Thomomys talpoides talpoides (Richardson). 



1828. Cricetus talpoides Richardson, Zool. Journ., vol. 3, p. 518. 

 1857. Thomomys talpoides Baird, Mamm. N. Amer., p. 403. 

 1885. Thomomys talpoides talpoides True, Proc. U. S. Nat. I\Ius., 



vol. 7 (1884), p. 598. 1885. (Part.) 

 Type Locality. — Probably Saskatchewan, Canada'. (Sec Allen, 



Bull. Amer. Mus. Nat. Hist., vol. 5, p. 55, April 28, 1893.) 

 43900°— Bull. 79—12 16 



