Vor. III] GRINNELL—MAMMALS OF CALIFORNIA 311 
Sigmodon hispidus eremicus Mearns 
Western Desert Cotton Rat 
Original description—Sigmodon hispidus erenucus 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, soe, WW, Sy 
Nat. Mus., 17, June 27, 1894, p. 354. 
Type locality—Carrizo Creek, western Imperial County, 
California. 
Synonyms—Neotoma cumulator Mearns, ProcWuy St Nat. 
Mus., 20, March 5, 1897, p. 503 (type from Fort Yuma, Im- 
perial County, California); Neotoma desertorum grandis 
Elliot, Field Col. Mus., zool. ser., 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—N eotoma 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, California) ; Rhoads Wood Rat; 
Dulzura White-footed Wood Rat. 
