FIELD BOOK OF MAMMALS 



Owens Valley Meadow Mouse. — Microtus californicus valli- 

 cola Bailey. 

 Large and dark. Upperparts mixed buff and dark brown 

 or black; feet gray; tail bicolor, black and giay; under- 

 parts gray. Total length, 7.6 inches; tail vertebrae, 2.4 

 inches; hind foot, .96 inch. Found in "Owens Valley 

 region of California, east of Sierra Nevada, from Olancha, 

 Inyo County, north to Benton, Mono County; east to 

 head of Willow Greek in north end of Panamint Mountains. 

 Vertical range from 3700 feet up at least to 5400 feet; 

 zonal range Lower and Upper Sonoran." (Kellogg) 



Amargosa Meadow Mouse. — Microtus californicus scirpensis 

 (Bailey). 

 Large and bright- colored. Upperparts cinnamon-buff to 

 buckthorn-brown, with light sprinkling of black; sides 

 lighter; rest of pelage about as in typical californicus. 

 Total length, 8.5 inches; tail vertebrse, 2,7 inches; hind 

 foot, i.o inch. Found only in "a small tule marsh at a 

 spring near Shoshone on the Amargosa River, in eastern 

 Inyo County. Altitude of station 1500 to 1600 feet; 

 zonal range Lower Sonoran." (Kellogg) 



Kern River Meadow Mouse. — Microtus californicus kernensis 

 R. Kellogg. 

 Size large, color light. Upperparts clay color to cinnamon- 

 buff, with light sprinkling of blackish brown; sides lighter; 

 feet gray; tail bicolor, warm sepia and whitish; under- 

 parts gray. Total length, 7.6 inches; tail vertebrae, 2.5 

 inches; hind foot, .96 inch. Found in "Kern River basin, 

 from Taylor Meadow, Tulare County, west to Bakersfield 

 and Fort Tejon, Kern County. Vertical range from 400 

 feet up to 7000 feet; zonal range Lower Sonoran to Transi- 

 tion." (Kellogg) 



Mohave River Meadow Mouse. — Microtus californicus moha- 

 vensis R. Kellogg. 

 Size large. Upperparts ochraceous tawny to cinnamon- 

 buff, lightly sprinkled with blackish; sides with less black; 

 feet gray; tail bicolor, brownish or blackish and pale gray; 

 underparts gray. Total length, 8 inches; tail vertebrae, 

 2.6 inches; hind foot, .96 inch. Found in a "limited area 

 along the Mohave River, in San Bernardino County, from 

 Victorville north to Oro Grande. Vertical range from 

 2500 feet up at least to 2700 feet; zonal range Lower 

 Sonoran." (Kellogg) 



Southern California Meadow Mouse. — Microtus californicus 

 sanctidiegi R. Kellogg. 

 Size large. Upperparts buckthorn-brown to cinnamon-buff, 

 lightly sprinkled with blackish; sides brighter; rump with- 

 out black hairs; feet grayish white; tail usually bicolor, 

 blackish and whitish; underparts grayish in general tone, 

 often with light buffy wash on breast. Total length, 8 

 inches; tail vertebrae, 2.2 inches; hind foot, .96 inch. 



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