150 University of California Publications in Zoology  [Vou.17 
Type Locaniry.—Rio Grande and Gila valleys: really Colorado 
Desert, in southern California (see Stejneger, N. Amer. Fauna, 7, 
1893, p. 163). 
SynonyM.—Lublepharis variegatus. 
Common Names.—Variegated Gecko; Variegated Lizard. 
RancGE.—Southeastern desert areas. Occurs north to Big Pine, 
Owens Valley, Inyo County (Mus. Vert. Zool.) ; west to Mohave, Kern 
County (Stejneger, loc. cit., p. 164), to Colton, San Bernardino County 
(Mus. Vert. Zool.), to San Jacinto, Riverside County (Van Denburgh, 
Oce. Papers Calif. Acad. Sei., 5, 1897, p. 41), and to La Puerta Valley, 
San Diego County (Stephens, MS.). Restricted to the Lower Sonoran 
life-zone. Lives under stones and other objects and in burrows in 
the ground. (See fig. 9.) 
Family IGUANIDAE 
Subfamily IguanrmaE 
Dipso-saurus dorsalis (Baird and Girard) 
Desert Iguana 
Original DeEscription.—Crotaphytus dorsalis Baird and Girard, 
Proce. Acad. Nat. Sei. Phila., 6, 1852, p. 126. 
Typr Locauiry.—Desert of Colorado, California. 
Common Names.—Crested Lizard; Colorado Desert Lizard; Keel- 
backed Lizard; Thirsty Lizard; Sharp-back Lizard. 
Rance.— Extreme desert areas east of the Sierran divides. Occurs 
north to Owens, Panamint, Death (Mesquite), and Amargosa valleys 
(Stejneger, N. Amer. Fauna, 7, 1893, p. 165) ; west to Coyote Wells, 
Imperial County (Cope, Rep. U. S. Nat. Mus., 1898 [1900], p. 245) ; 
Torres [Toro], Riverside County (Mus. Vert. Zool.) ; Daggett, San 
Bernardino County (Meek, Field Columb. Mus., zool. ser., 7, 1905 
[1906], p. 7), and 3 miles east of Owens Lake, Inyo County (Stejneger, 
loc. cit.). Restricted to the Lower Sonoran life-zone. Lives on level, 
sandy, or gravelly ground. 
Uma notata Baird 
Ocellated Sand Lizard 
ORIGINAL Description.—Uma notata Baird, Proce. Acad. Nat. Sei. 
Phila., 1858 [1859], p. 253. 
