166 University of California Publications in Zoology  [Vou.17 
Smooth Horned Lizard; Smooth Horned Toad; Broad-nosed Barrel 
Lizard; Broad-nosed Horned Toad. 
Rance.—The southeastern deserts chiefly east of the Pacific divides. 
Recorded north through the Inyo region to Benton, Mono County 
(Mus. Vert. Zool.) ; west to Carroll Creek, Inyo County (Mus. Vert. 
Zool.), to South Fork Kern River near Chimney Creek (3100 feet 
altitude) and head of Kelso Valley (5300 feet altitude), in Kern 
County (Bryant, Univ. Calif. Publ. Zool., 9, 1911, p. 49) ; to Fairmont, 
in northern Los Angeles County (Grinnell and Grinnell, Throop Inst. 
Bull., 35, 1907, p. 57) ; to Victorville, San Bernardino County (Mus. 
Vert. Zool.) ; to Whitewater (Atsatt, Univ. Calif. Publ. Zool., 12, 1913, 
p. 38), Palm Springs, and Mecea (Bryant, loc. cit.), in Riverside 
County ; and to Coyote Wells, in Imperial County (Cope, Ann. Rep. 
U.S. Nat. Mus., 1898 [1900], p. 447). Oceupies the Lower Sonoran 
life-zone. Lives in open gravelly or sandy situations. 
Phrynosoma m’callii (Hallowell) 
Flat-tailed Horned-toad 
OriGiInaL Description—Anota M’Callii Hallowell, Proce. Acad. 
Nat. Sei. Phila., 6, 1852, p. 182. 
Type Locauiry.—Great Desert of the Colorado, between Vallecito 
and Camp Yuma, about 160 miles east of San Diego. 
Synonym.—Doliosaurus me’calli. 
Common Names.—Flat-tailed Horned Lizard; MeCall’s Horned 
Lizard; MacCall’s Horned Toad. 
Rance.—The Salton Basin, in Imperial and Riverside counties. 
Recorded from: Mecea, Riverside County (Bryant, Univ. Calif. Publ. 
Zool., 9, 1911, p. 59); Coyote Well (Bryant, loc. cit.), Salton Sea 
(south end) (Bryant, loc. cit.), Fort Yuma (Cope, Ann. Rep. U. S. 
Nat. Mus., 1898 [1900], p. 450), and the type locality (as above), in 
Imperial County. Restricted to the Lower Sonoran life-zone. In- 
habits open tracts of sandy alluvium. 
Family ANGUIDAE 
Gerrhonotus scincicauda scincicauda (Skilton) 
California Alligator Lizard 
ORIGINAL Description.—Tropidolepis scincicauda Skilton, Amer. 
Journ. Arts. Sei., ser. 2, 7, 1849, p. 202, pl. opp. p. 464, figs. 1-3. 
