Voz. III] GRINNELL—MAMMALS OF CALIFORNIA 317 
Type locality—Prospect, upper Rogue River Valley, Jack- 
son County, Oregon. 
Range—Boreal zone of northwestern California east of the 
humid coast belt and west of the main Sierran divide: Trinity 
Mountains (Jackson and Castle lakes, Siskiyou County) east 
to Carberry Ranch (near Montgomery Creek), Shasta County 
(Bailey, Proc) Biol Sec, Washi, 1101897, p) 133; Mus.) Vent: 
Zool.). 
Evotomys californicus Merriam 
California Red-backed Mouse 
Original description—Evotomys californicus Merriam, N. 
Amer. Fauna, 4, October, 1890, p. 26. 
Type locality—Eureka, Humboldt County, California. 
Range—Boreal zone in the humid northwest coast belt, 
chiefly in the redwood forests, south as far as Willits, Mendo- 
cino County, interiorly to Fair Oaks, Humboldt County 
(Bailey, Proc. Biol. Soc. Wash., 11, 1897, p. 134; Mus. Vert. 
Zool.). 
Microtus montanus montanus (Peale) 
Peale Meadow Mouse 
Original description—Arvicola montana Peale, U. S. Ex- 
ploring Exped., 8, 1848, pp. 44, 45. 
Type locality—Headwaters of Sacramento River, near 
Mount Shasta, California (fide Bailey, N. Amer. Fauna, 17, 
1900, p. 27). 
Synonyms—Arvicola longirostris Baird, Pac. R. R. Rep., 
8, 1857, pp. 530, 531 (type from upper Pitt River, California) ; 
Peale Vole. 
Range—Upper Sonoran and Transition zones in the Modoc 
region, west to Sisson, Siskiyou County, and south along the 
Sierra Nevada at least to the Yosemite Valley (Bailey, supra 
Cli pce wNitisy Werk) Zool.) 
Microtus montanus dutcheri Bailey 
Mount Whitney Meadow Mouse 
Original description—Microtus dutcheri Bailey, Proc. Biol. 
Soc. Wash., 12, April 30, 1898, p. 85. 
Type locality—Big Cottonwood Meadows, 10,000 feet alti- 
tude, near Mount Whitney, Inyo County, California. 
