240 microtus. 



Butcher's Meadow Vole. 



Type locality. Big Cottonwood Meadows, near Mount Whitney, 

 Tulare County, California. Altitude, 10,000 feet. 



Geogr. Distr. Inyo and Tulare Counties, southeastern California. 

 "Hudsonian zone of the southern Sierra Nevada." 



572. Microtus nevadensis Bailey. 



Microtus nevadensis Bailey, Proc. Biol. Soc. Wash., xii, 1898, 

 p. 86. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, 

 p. 185. Zool. Ser. 

 Nevada Meadow Vole. 



Type locality. Ash Meadows, Nye County, Nevada. 

 Geogr. Distr. Type locality, and Pahranagat Valley, southeastern 

 Nevada. 



573. Microtus californicus (Peale). 



Arvicola calif ornica Peale, U. S. Expl. Exped., viii, Mamm. & 



Ornith., 1848, p. 46. 

 Arvicola trowhridgi Baird, N. Am. Mamm., 1857, p. 529. 

 Microtus californicus Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



II, 1901, p. 186. Zool. Ser. 

 California Meadow Vole. 



Type locality. Vicinity of San Francisco Bay, California. 



Geogr. Distr. California w^est of the Colorado Desert and the 

 Sierra Nevada, and from Santa Isabel, San Diego County, Cali- 

 fornia, to the Rogue River and Umpqua Valleys, Oregon. 



a. Mici'ohis ccdifoTiiiciis liyperytJiTiis Elliot. 



Microtus californicus hyperythrus Elliot, Pub. Field Columb. Mus., 



III, 1903, p. 161. Zool. Ser. Id. Mamm. Middle Amer. & 

 W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 302, figs. 51, xlv. 

 Zool. Ser. 



Reddish Meadow Vole. 



Type locality. San Quentin, Lower California, Mexico. 



Geogr. Distr. Sea coast in the vicinity of San Quentin, up to 

 8,000 feet elevation in the San Pedro Martir Mountains, Lower Cali- 

 fornia, Mexico. 



h. Mici'ofiiH raUfoTJiieus rallirohi Bailey. 



Microtus californicus vallicola Bailey, Proc. Biol. Soc. Wash., xii, 

 1898, p. 89. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 186. Zool. Ser. 

 Valley Meadow Vole, 



Type locality. Lone Pine, Inyo County, California. 



Geogr. Distr. Valleys east of the Sierra Nevada, California. 



