NORTH AMERICAN RECENT MAMMALS. 243 



*Thomomys perpallidus amargosae Grinnell. 



1921. Tliomomys perpallidus amargosse Gkinnell, Univ. Calif. 



Piibl. Zool., vol. 21, p. 239. November 7, 1921. 

 Type Locality. — Shoshone, Ainargosa River, Inyo County, 



Cahfornia. Altitude, 1,560 feet. 



t*Thomomys perpallidus canus (Bailey). 



1910. Tliomomys canus Bailey, Proc. Biol. Soc. Washington, 

 vol. 23, p. 79. May 4, 1910. 



1915. Tliomomys perpallidus canus Bailey, North Amer. Fauna, 

 No. 39, p. 73. November 15, 1915. 



Type Locality. — Deep Hole, at north end of Smoke Creek 

 Desert, Washoe County, Nevada. 



Range. — Valleys of western and central Nevada, from Flow- 

 ing Springs, western Hiunboldt County, south to Cloverdale 

 and Monitor Valley, west to Honey Lake, (\'ilifornia. 



*Thomomys perpallidus aureus (Allen). 



1893. Tliomomys aureus Allen, Bull. Amer. Mus. Nat. Hist., 



vol. 5, p. 49. April 28, 1893. 

 1915. Tliomomys perpallidus aureus Bailey', North Amer. 



Fauna, No. 39, p. 74. November 15, 1915. 

 Type Locality. — Bluff City, San Juan County, Utah. 

 Range. — Desert region of southern Nevada, southern Utah, 



western Colorado, central and northwestern New Mexico, and 



northern and western Arizona. 



t*Thomomys perpallidus apache (Bailej^). 



1910. Tliomomys apache Bailey', Proc. Biol. Soc. Washington, 

 vol. 23, p. 79. May 4, 1910. 



1915. Tliomomys perpallidus apache Bailey, North Amer. 

 Fauna, No. 39, p. 75, November 15, 1915. 



Type Locality. — Lake La Jara, on the Jicarilla Apache Indian 

 Reservation, New Mexico. Altitude, 7,500 feet. 



Range. — Transition Zone in northeastern Arizona, north- 

 western New Mexico, and southwestern Colorado. 



*Thomomys melanotis Grinnell. 



1918. Tliomomys melanotis Grinnell, Univ. Calif. Publ. Zool., 



vol. 17, p. 425. April 25, 1918. 

 Type Locality. — Big Prospector Meadow, Wliite Mountains, 

 Mono County, California. Altitude, 10.500 feet. 



t*Thomomys cabezonae Merriani. 



1 901 . Tliomomys cahezonx Merria.m, Proc. Biol. Soc. Washington, 

 vol. 14, p. 110. July 19, 1901. 



