Vol. Ill] GRINNELL— MAMMALS OF CALIFORNIA 311 



Sigmodon hispidus eremicus Mearns 

 Western Desert Cotton Rat 



Original description — Sigmodon hispidus eremicus Mearns, 

 Proc. U. S. Nat. Mus., 20, March 5, 1897, pp. 504, 505. 



Type locality — Cienaga Well, 30 miles south of Mexican 

 boundary, on left bank of Colorado River, Sonora, Mexico. 



Range — Valley of the lower Colorado River, from near 

 Palo Verde to near Pilot Knob (Mus. Vert. Zool.). 



Neotoma albigula venusta True 

 Colorado Valley Wood Rat 



Original description — Neotoma venusta True, Proc. U. S. 

 Nat. Mus., 17, June 27, 1894, p. 354. 



Type locality — Carrizo Creek, western Imperial County, 

 California. 



Synonyms — Neotoma ciimulator Mearns, Proc. U. S. Nat. 

 Mus., 20, March 5, 1897, p. 503 (type from Fort Yuma, Im- 

 perial County, California) ; Neotoma desertorum grandis 

 Elliot, Field Col. Mus., zool. sen, 3, December, 1903, p. 247 

 (type from Cameron Lake, near Tehachapi, Kern County, 

 California). 



Range — Lower Sonoran zone in bed of the Colorado desert, 

 from the Mexican line northwest at least to Mecca, Riverside 

 County, west to extreme eastern San Diego County, and north 

 along the Colorado River, at least to near Riverside Mountain ; 

 also sporadically ( ?) to Cameron Lake, near Tehachapi, Kern 

 County (Goldman, N. Amer. Fauna, 31, 1910, p. 34; Mus. 

 Vert. Zool.). 



Neotoma intermedia intermedia Rhoads 



Intermediate Wood Rat 



Original description — Neotoma intermedia Rhoads, Amer. 

 Nat., 28, January, 1894, pp. 69, 70. 



Type locality — Dulzura, San Diego County, California. 



Synonyms — Neotoma californica Price, Proc. Calif. Acad. 

 Sci., 2nd ser., 4, May 9, 1894, pp. 154-156 (type from Bear 

 Valley, San Benito County, Cahfornia) ; Rhoads Wood Rat; 

 Dulzura White-footed Wood Rat. 



