1917] Grinnell-Camp: Amphibians and Reptiles of California 143 
station, San Diego (Yarrow, U. 8. Nat. Mus. Bull., 24, 1882, pp. 23, 
162). Absent from deserts bordering Colorado River. Occurs in all 
life-zones below upper edge of Hudsonian. Inhabits open valleys and, 
rarely, wooded areas; in the high mountains inhabits wet meadows and 
lake shores; lives during the day in gopher and ground-squirrel bur- 
rows and under rocks. (See fig. 4.) 
Bufo boreas boreas Baird and Girard 
Northwestern Toad 
OriegInAL DescripTion.—Bufo boreas Baird and Girard, Proce. 
Acad. Nat. Sei. Phila., 6, 1852, pp. 174-175. 
Type Locauiry.—Columbia River and Puget Sound. 
Synonyms.—Bufo columbiensis, part; Bufo halophilus, part; Bufo 
microscaphus. 
Common Names.—Baird’s Toad, part; Small-spaded Toad. 
Rance.—Northern portion of the state, south to Eureka, Humboldt 
County, to Sisson, Siskiyou County, and to Mono County (Mus. Vert. 
Zool.). From these localities and others adjacent, specimens show 
intergradation towards B. b. halophilus. Occurs in the Transition 
and Upper Sonoran life-zones. Lives in tules about lake shores, along 
streams, and in mountain meadows. (See fig. 4.) 
Bufo boreas nelsoni Stejneger 
Nevada Toad 
OrienaAL Description.—Bufo boreas nelsoni Stejneger, N. Amer. 
Fauna, 7, May 31, 1893, pp. 220-221, pl. 3, figs. 4a, 4b. 
Type Locauiry.—Oasis Valley, Nye County, Nevada. 
Rance.—Eastern Inyo region. Recorded from Resting Springs, 
Inyo County (Stejneger, loc. cit.). Life-zone, Lower Sonoran. (See 
fig. 4.) 
Bufo canorus Camp 
Yosemite Park Toad 
OrigInaL DeEscripTion.—Bufo canorus Camp, Univ. Calif. Publ. 
Zool., 17, November 17, 1916, pp. 59-62, figs. 1-4. 
Type Locauiry.—Porcupine Flat, 8100 feet altitude, Yosemite 
National Park, Mariposa County, California. 
RanGe.—High central Sierra Nevada, 7000 to 11,000 feet altitude, 
almost altogether within the limits of the Yosemite National Park 
