354 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
from Trinity Mountains, east of Hoopa Valley, northwestern 
California) ; Citellus chrysodewrus; Gilded Ground Squirrel; 
Spermophilus chrysodetrus. 
Range—Upper Transition and Boreal zones of the moun- 
tains of northern California, west through the Trinity and 
Siskiyou mountains, east to the Warner Mountains, south 
along the Sierra Nevada as far as Cannell Meadow (near 
Kern County line), Tulare County; also on Inyo Mountains 
east of Owens Valley (Mus. Vert. Zool.). 
Callospermophilus chrysodeirus bernardinus (Merriam) 
San Bernardino Golden-mantled Ground Squirrel 
Original description—Spermophilus bernardinmus Merriam, 
Science, n. s., 8, December 2, 1898, p. 782. 
Type locality—San Bernardino Peak, San Bernardino 
County, California. 
Synonyms—S permophilus chrysodeirus brevicaudus Mer- 
tiam, Proc. Biol. Soc. Wash., 8, December 28; 1893; p. 134 
(type from San Bernardino Peak, San Bernardino Moun- 
tains, California) ; Citellus chrysodeirus bernardinus. 
Range—Upper Transition and Boreal zones on the San 
Bernardino Mountains (Grinnell, Univ. Calif. Publ. Zool., 5, 
1908, p. 141). 
Ammospermophilus leucurus leucurus (Merriam) 
Antelope Ground Squirrel 
Original description—Tamuias leucurus Merriam, N. Amer. 
Fauna, 2, October, 1889, pp. 19-21. 
Type locality—San Gorgonio Pass, Riverside County, Cali- 
fornia. 
Synonyms—Citellus leucurus vinnulus Elliot, Field Col. 
Mus., zool. ser., 3, December, 1903, p. 241 (type from Keeler, 
Inyo County, California) ; Citellus leucurus; Spermophilus 
leucurus; Antelope Chipmunk. 
Range—Lower and Upper Sonoran zones in the south- 
eastern desert regions, west to the east slopes of the Coast 
Ranges in eastern San Diego County, to San Gorgonio Pass 
as far as Cabezon, and to Antelope Valley, northern Los 
