240 microtus. 



Dutcher'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 CaUfomia. 

 "Hudsonian zone of the southern Sierra Nevada." 



572. Microtus nevadensis Bailey. 



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

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

 p. 185. Zool. Ser. 

 Nevad.\ Meadow Vole. 



Type locality. Ash Meadows, Nye County, Nevada. 

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

 Nevada. 



573. Microtus californicus (Peale). 



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



Omith., 1848, p. 46. 

 Arvicola trowbridgi 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. CaUfomia west 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. Microtus califomieiis hyperythnts ElUot. 



Microtus californicus hyperythrus Elliot, Pub. Field Coltmib. 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 CaUfomia, Mexico. 



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

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

 fomia, Mexico. 



b. Microtus caJifomiciis vnJlicola Bailey. 



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

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

 1901, p. 186. Zool. Ser. 

 Valley Meadow Vole. 



Type locality. Lone Pine, Inyo Cotmty, CaUfomia. 



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



