144 University of California Publications in Zoology  [|Vou.17 
(Mus. Vert. Zool.). Oceupies the Canadian and Hudsonian life-zones, 
extending even into Alpine-Arctic. Inhabits vicinity of meadows and 
the margins of streams and lakes. (See fig. 4.) 
Bufo punctatus Baird and Girard 
Spotted Toad 
OriegInAL DEscriPTION.—Bufo punctatus Baird and Girard, Proe. 
Acad. Nat. Sci. Phila., 6, 1852, p. 173. 
Type Locauiry.—Rio San Pedro of the Rio Grande del Norte 
(in Texas?). 
Synonym.—Bufo beldingi. 
Rance.—Colorado desert, west to Vallecito, San Diego County, and 
Carrizo Creek, north slope Santa Rosa Mountains, Riverside County 
(Mus. Vert. Zool.) ; also Turtle Mountains, near Blythe Junction, San 
Bernardino County (Camp, Univ. Calif. Publ. Zool., 12, 1916, p. 512) ; 
Furnace Creek, Death Valley, and Cottonwood Canon [Jackass 
Spring], Panamint Mountains, in Inyo County (Stejneger, N. Amer. 
Fauna, 7, 1893, p. 219). Life-zone, Lower Sonoran. Inhabits rocky 
canon bottoms, near springs or streams. (See fig. 4.) 
Bufo alvarius Girard 
Colorado River Toad 
OriGINaAL DerscripTion.—Bufo alvarius Girard, in Baird, U. S. 
Mex. Bound. Surv., 2, 1859, pt. 2, reptiles, p. 26, pl. 41, figs. 1-6. 
Type Locauiry—Valley of Gila and Colorado: Fort Yuma, Cali- 
fornia (see Cope, U. S. Nat. Mus. Bull., 34, 1889, p. 267). 
Common Names.—Girard’s Toad; Colorado Toad. 
Rance.—Immediate valley of the Colorado River. Has been taken 
in the delta region west to Meloland (Mus. Vert. Zool.) ; all known 
localities for the state are in Imperial County. Life-zone, Lower 
Sonoran. Inhabits only riparian bottom-lands and irrigated districts. 
(See fig. 4.) 
Family HYLIDAE 
Subfamily Hyninar 
Hyla regilla Baird and Girard 
Pacific Tree-frog 
OriGgInAL Description.—Hyla regilla Baird and Girard, Proe. 
Acad. Nat. Sei. Phila., 6, 1852, p. 174. 
