302 CALIFORNIA ACADEMY OF SCIEXCES [P»oc. 4th Se«. 



now restricted to the vicinity of Guadalupe Island, Lower 

 California (Townsend. Zoologica, N. Y. Zool. Soc, 1, 1912, 

 p. 171). 



Order RODENTIA 



Family MURIDAE 



Onychomys leucogaster brevicaudus Merriam 



Short-tailed Grasshopper Mouse 



Original description — Onyclioiiiys leucogaster brevicaudus 

 Merriam. N. Amer. Fauna. 5. July. 1891. p. 52. 



Type locality — Blackfoot. Bingham County. Idaho. 



Rajige — High Upper Sonoran zone along the extreme east- 

 ern edge of the state, in the Modoc region : Sugar Hill and 

 Dry Creek, \\'arner IMountains, south to Benton, Mono 

 County (Mus. Vert. Zool.). 



Onychomys torridus torridus (Cones) 

 Arizona Grasshopper Mouse 



Original description — Hespcromys (Onychomys) torridus 

 Coues, Proc. Acad. Nat. Sci. Phila., December 15, 1874, p. 

 183. 



Type locality — Camp Grant, Graham County, Arizona. 

 ■ Syno)iyms — Onychomys pulchcr 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 

 Countv, north to Indepentlence, Inyo County (Mus. Vert. 

 Zool.)'. 



Onychomys torridus ramona Rhoads 



Ramona Grasshopper Mouse 



Original description — On\<chom\s ramona Rhoads, Amer. 

 Nat., 27, September, 1893, pp. 833, 834. 



Type locality — San Bernardino Valley, San Bernardino 

 Countv, California. 



