Vor. IIT] GRINNELL—MAMMALS OF CALIFORNIA 355 
Angeles County; north along the east side of the Sierra 
Nevada and through the Inyo region to Mono County (Mus. 
Vert. Zool. ). 
Ammospermophilus nelsoni (Merriam) 
Nelson Ground Squirrel 
Original description—S permophilus nelsoni Merriam, Proc. 
Biol Soc Widsiio. December 25, S93. pp. lZ9e 30) 
Type locality—Tipton, Tulare County, California. 
Synonyms—Citellus nelsoni; Nelson Spermophile. 
Range—Lower Sonoran zone in the San Joaquin Valley, 
chiefly on the west side, from the vicinity of Bakersfield north- 
east to near Los Banos, Merced County; west to the Carrizo 
Plain and Cuyama Valley, San Luis Obispo County (Mus. 
Vert. Zool.). 
Sciurus douglasi mollipilosus Audubon and Bachman 
Redwood Chickaree 
Original description—Sciurus molli-pilosus Audubon and 
Bachman, Proc. Acad. Nat. Sci. Phila., October, 1841, p. 102. 
Type locality—Northern parts of California. 
Synonyms—Sciurus hudsonicus orarius Bangs, Proc. Biol. 
Soc. Wash., 11, December 30, 1897, pp. 281, 282 (type from 
Philo, Mendocino County, California); Sciurus douglasi; 
Sciurus hudsonius douglassi. 
Range—Boreal and Transition zones in the northwest 
humid coast belt, from the Oregon line south as far as Camp 
Meeker, Sonoma County (Allen, Bull. Amer. Mus. Nat. Hist., 
10, 1898, p. 276; Mus. Vert. Zool.). 
Sciurus douglasi albolimbatus Allen 
Sierra Chickaree 
Original description—Sciurus douglasu albolimbatus Allen, 
Bull. Amer. Mus. Nat. Hist., 10, November 10, 1898, pp. 452, 
453. | 
Type locality—Blue Canyon, Placer County, California. 
Synonyms—Sciurus hudsonius californicus Allen, Bull. 
Amer. Mus. Nat. Hist., 3, November, 1890, pp. 165, 166 
(type from Blue Canyon, Placer County, California). 
