1917] Grinnell-Camp: Amphibians and Reptiles of California 145 
Type Locauiry.—Sacramento River, California. 
Synonyms.—Litoria occidentalis Baird and Girard, Proe. Acad. 
Nat. Sei. Phila., 6, 1853, p. 301 (type from San Francisco) ; Hyla 
scapularis; Hyla nebulosa Hallowell, Proce. Acad. Nat. Sei. Phila., 7, 
1854, pp. 96-97 (type from Tejon Pass, probably near Fort Tejon, 
Kern County) ; Hyla scapularis var. hypochondriaca Hallowell, Proce. 
Acad. Nat. Sci. Phila., 7, 1854, p. 97 (type from Tejon Pass) ; 
Hyla cadaverina (a name to replace nebulosa of Hallowell: Cope, 
Journ. Acad. Nat. Sci. Phila., ser. 2, 6, 1866, p. 84) ; Hyla regilla var. 
scapularis. 
Common Names. 
Western Tree-frog; Wood-frog; Pacifie Hyla; 
Tree-toad, part; Cadaverous Hyla; Greeny; Cape San Lueas Hyla. 
Rance.—AImost throughout the state, except in the extreme south- 
eastern desert district. Occurs on Santa Rosa, Santa Cruz, and Santa 
Catalina islands (Van Denburgh, Proe. Calif. Acad. Sci., ser. 4, 4, 
1914, pp. 182, 135, 137). Extends to timber-line in the Sierra Nevada; 
occurs in all zones below Alpine-Arctic. Inhabits damp recesses among 
rocks and logs; the ground in the vicinity of springs, streams, and 
lakes; rank growths of vegetation, especially in marshy places; trees 
in damp forests; and, in open country, burrows of various animals. 
Hyla arenicolor Cope 
Arizona Tree-frog 
Originau Description.—Hyla arenicolor Cope, Journ. Acad. Nat. 
Sci. Phila., ser. 2, 6, 1866, p. 84 (a name to replace Hyla affinis, Baird, 
Proce. Acad. Nat. Sei. Phila., 7, 1854, p. 61). 
Type Locauiry.—Northern Sonora [Mexico or Arizona?]. 
Synonyms.—Hyla copii; Hyla versicolor. 
Common Names.—Cope’s Tree-frog; Tree-toad, part ; Cope’s Hyla; 
Sand-colored Tree Frog. 
Rance.—Northwest from Julian, La Puerta, and Mountain Spring, 
in eastern San Diego County, to near Nordhoff, Ventura County, and 
Santa Monica Mountains, Los Angeles County; east to Little Rock 
Creek, Los Angeles County, and to Banning, Dos Palmos Spring, and 
Deep Canon, Riverside County; also on Pine Mountain, near Escon- 
dido, San Diego County (Mus. Vert. Zool.; Richardson, Amer. Nat., 
46, 1912, pp. 605-611). Oceupies chiefly the Upper Sonoran life-zone, 
extending locally into Lower Sonoran. Lives on boulders and exposed 
rock faces close to cafion streams. 
