190 University of California Publications in Zoology  [Vou.17 
Sci., 5, 1897, p. 186), and to Kernville, Kern County (Yarrow, U. S. 
Nat. Mus. Bull., 24, 1882, pp. 16, 110) ; in southern California, east to 
Fort Tejon, Kern County (Yarrow, loc. cit.), to San Bernardino (Van 
Denburgh, loc. cit., p. 185), and south to Agua Caliente, 3400 feet 
altitude, in San Diego County (Van Denburgh, loc. cit.). Occupies 
the Lower and Upper Sonoran and Transition life-zones. Inhabits 
grasslands and wet meadows. (See fig. 13.) 
Coluber flagellum frenatus (Stejneger) 
Red Racer 
OriGinaL Description.—Bascanion flagellum frenatwm Stejneger, 
N. Amer. Fauna, 7, May 31, 1893, pp. 208-209. 
Type Locairy. 
Mountain Spring, edge of Colorado Desert, 
eastern San Diego County, California. 
Synonyms.—Zamensis flagellum flagellum; Zamenis flagellum; 
Zamenis flagelliformis frenatus; Bascanion flagellum frenatum; 
Bascanium flageluforme; Bascanium flagelliforme testaceum, part; 
Bascanium testaceum; [?] Bascanium flagelliforme piceum; Herpe- 
todryas flavigularis ; Drymobius testaceus. 
Common Names.—Western Whip Snake; Yellow Coach-whip 
Snake, part; [?] Arizona Coach-whip Snake; Coppery Whip Snake. 
Rance.—Throughout the desert and coast districts of the southern 
half of the state, including also the southern San Joaquin Valley. 
Has been taken northwest to Yosemite Valley, Mariposa County (Van 
Denburgh, Proe. Calif. Acad. Sei., ser. 2, 5, 1895, p. 148, footnote), to 
Fresno (Yarrow, U.S. Nat. Mus. Bull., 24, 1882, pp. 17, 112), and to 
Carrizo Plain, San Luis Obispo County (Mus. Vert. Zool.) ; east of 
the Sierras, north to Deep Spring Valley, Inyo County (Stejneger, 
N. Amer. Fauna, 7, 1893, p. 209). Occurs chiefly within the Lower 
Sonoran life-zone, extending rarely into Upper Sonoran and doubt- 
fully into Transition. Inhabits open washes, plains, and hillslopes. 
(See fig. 13.) 
Coluber lateralis (Hallowell) 
California Striped Racer 
OrieinaL Drescription.—Leptophis lateralis Hallowell, Proc. Acad. 
Nat. Sei. Phila., 6, 1853, p. 237. 
Type Locaurry.—California. 
