302 CALIFORNIA ACADEMY OF SCIENCES  [Proc. 4TH SER. 
now restricted to the vicinity of Guadalupe Island, Lower 
California (Townsend, Zoologica, N. Y. Zool. Soc., 1, 1912, 
pala)? 
Orders RODENTIA 
Family MURIDAE 
Onychomys leucogaster brevicaudus Merriam 
Short-tailed Grasshopper Mouse 
Original description—Onychomys leucogaster brevicaudus 
Merriam, N. Amer. Fauna,5,-July, 1891, p. 52. 
- Type locality—Blackfoot, Bingham County, Idaho. 
Range—High Upper Sonoran zone along the extreme east- 
ern edge of the state, in the Modoc region: Sugar Hill and 
Dry Creek, Warner Mountains, south to Benton, Mono 
County (Mus. Vert. Zool.). 
Onychomys torridus torridus (Coues) 
Arizona Grasshopper Mouse 
Original description—Hesperomys (Onychomys) torridus 
Coues, Proc. Acad. Nat. Sci. Phila., December 15, 1874, p. 
183. 
Type locality—Camp Grant, Graham County, Arizona. 
Synonyms—Onychomys pulcher Elliot, Field Col. Mus., 
zool. ser., 3, December, 1903, pp. 243, 244 (type from Morongo 
Pass, east end of San Bernardino Mountains, California) ; 
Onychomys torridus perpallidus; Onychomys torridus longi- 
caudus. 
Range—Lower Sonoran zone on Colorado and Mohave 
deserts; west to Jacumba, San Diego County, Whitewater, 
Riverside County, and Antelope Valley, northern Los Angeles 
County, north to Independence, Inyo County (Mus. Vert. 
Zool. ). 
Onychomys torridus ramona Rhoads 
Ramona Grasshopper Mouse 
Original description—Onychomys ramona Rhoads, Amer. 
Nat., 27, September, 1893, pp. 833, 834. 
Payne locality—San Bernardino Valley, San Bernardino 
County, California. 
