162 University of California Publications in Zoology  [Vou.17 
County, to Pallett, Los Angeles County, to Victorville and Cushen- 
berry Springs, San Bernardino County, to Cabezon, Strawberry Valley, 
and Santa Rosa Mountains at 6000 feet altitude, in Riverside County, 
and to Warner Pass and Jacumba (2825 feet altitude), in eastern 
San Diego County (all above localities represented by specimens in 
Mus. Vert. Zool.). Extends altitudinally as high as 10,000 feet near 
Kearsarge Pass on eastern declivity of Sierra Nevada in Inyo County 
(Mus. Vert. Zool.). Occurs also, in the Inyo region, on the Coso, 
Argus, Panamint, Inyo, and White mountains (Stejneger, N. Amer. 
Fauna, 7, 1893, pp. 185-186). Oceupies the Lower and Upper Sonoran 
life-zones and extends locally into Transition. Lives on tree-trunks, 
fences, sides of buildings, and among rocks of large size. (See fig. 8.) 
Sceloporus occidentalis becki Van Denburgh 
Island Blue-bellied Lizard 
ORIGINAL DEscRIPTION.—Sceloporus becki Van Denburgh, Proce. 
Calif. Acad. Sci., ser. 3, zool., 4, June 15, 1905, pp. 9-10, pl. 4. 
Type Locauiry.—San Miguel Island, Santa Barbara County, 
California. 
Synonym.—Sceloporus biseriatus becki. 
RanceE.—The extreme form of this subspecies occurs only at the 
type locality ; forms intermediate between this and the mainland sub- 
species are found, according to Van Denburgh (loc. cit.) on Santa 
Rosa and Santa Cruz islands, Santa Barbara County. Lives among 
large rocks and on tree-trunks. (See fig. 8.) 
Sceloporus magister Hallowell 
Desert Rough-sealed Lizard 
ORIGINAL Description.—Sceloporus magister Hallowell, Proc. 
Acad. Nat. Sei. Phila., 7, 1854, p. 93. 
Type Locauiry.—Near Fort Yuma, California. 
Synonyms.—Sceloporus clarkii; Sceloporus spinosus var. clarki; 
[2] Sceloporus orcutts, part. 
Common Names.—Sealy Lizard; Clark’s Alligator Lizard; Fence 
Lizard, part; Clark’s Lizard; Great Fence Lizard. 
Raneu.—Entire southeastern desert area, extending north to Lone 
Pine (Stejneger, N. Amer. Fauna, 7, 1893, p. 183), to Mazourka Canon, 
Inyo Mountains (Mus. Vert. Zool.), and to Willow Creek, Panamint 
