148 University of California Publications in Zoology  [Vou.17 
berry Valley, Riverside County (Mus. Vert. Zool.). Oceupies the 
Upper Sonoran and Transition life-zones. Lives along streams in 
narrow rock-walled canons. (See fig. 5.) 
Rana pretiosa pretiosa Baird and Girard 
Western Spotted Frog 
OrIGINAL DEscripTiIoN.—Rana pretiosa Baird and Girard, Proe. 
Acad. Nat. Sci. Phila., 6, 1853, p. 378. 
Type Locauiry.—Puget Sound. 
Rance.—Extreme northern end of the state. Definite stations of 
occurrence are Fall City Mills, Fall River, Shasta County (U.S. Nat. 
Mus., no. 38806), and vicinity of Sisson, Siskiyou County (Mus. Vert. 
Zool. and U.S. Nat. Mus.). Life-zone, Transition. Inhabits marshes 
and lakes. (See fig. 5.) 
Rana pretiosa luteiventris Thompson 
Nevada Spotted Frog 
OrIGINAL DeEscription.—Rana pretiosa luteiventris Thompson, 
Proe. Biol. Soe. Wash., 26, March 22, 1913, pp. 53-55, pl. 3, figs. 2, 3. 
Type Locaniry.—Anne Creek, Elko County, Nevada. 
Rance.—Eastern Modoe County. Only station, Pine Creek, near 
Alturas, Modoe County (Mus. Vert. Zool., nos. 2098, 2099). Speci- 
mens captured on banks of a slow-flowing stream. (See fig. 5.) 
Rana aurora aurora Baird and Girard 
Oregon Red-legged Frog 
ORIGINAL DeEscription—Rana aurora Baird and Girard, Proce. 
Acad. Nat. Sei. Phila., 6, 1852, p. 174. 
Type Locaniry.—Puget Sound. 
Rance.—Extreme northwestern corner of the state. Stations of 
capture all in vicinity of Eureka, Humboldt County (Mus. Vert. 
Zool.). (See fig. 5.) 
Rana aurora draytonii Baird and Girard 
California Red-legged Frog 
OriGgInAL Description.—Rana Drayton Baird and Girard, Proe. 
Acad. Nat. Sei. Phila., 6, 1852, p. 174. 
Type Locaniry.—San Francisco, California. 
Synonyms.—Rana Lecontii Baird and Girard, Proe. Acad. Nat. 
Sci. Phila., 6, 1853, pp. 301-302 (type from San Francisco) ; Rana 
