1917] Grinnell-Camp: Amphibians and Reptiles of California 151 
Type Locauiry.—Mohave Desert [== Colorado Desert, in Cali- 
fornia ?]. 
Synonyms.—Uma inornata Cope, Amer. Nat., 29, 1895, p. 939 
(type from Colorado Desert, ‘‘San Diego’’ [= Imperial] County) ; 
Uma rufopunctata. 
Common Names.—Ocellated Desert Lizard; Red-spotted Desert 
Lizard; Cope’s Desert Lizard; Spotted Yuma Lizard. 
RanGe.—Mohave and Colorado deserts; occurs west to near Signal 
Mountain, Imperial County (Mus. Vert. Zool.), and north at least to 
Daggett, San Bernardino County (Meek, Field Columb. Mus., zool. 
ser., 7, 1906, pp. 4-7), and near Blythe Junction, in Riverside County 
(Camp, Univ. Calif. Publ. Zool., 12, 1916, pp. 516-519). Oceurs only 
within the Lower Sonoran life-zone, where further restricted to tracts 
of eolian sand. 
Callisaurus ventralis ventralis (Hallowell) 
Southern Gridiron-tailed Lizard 
ORIGINAL DEscripTION.—Homolosaurus [corrected in ‘‘ Errata’’ to 
Homalosaurus| ventralis Hallowell, Proe. Acad. Nat. Sei. Phila., 6, 
1852, pp. 179-180. 
Type Locaurry.—New Mexico [west of the Rio Grande]. 
Synonyms.—Callisaurus draconoides ; Callisaurus draconoides ven- 
tralis; Callisaurus dracontoides gabbu. 
JomMON NamMeEs.—Zebra-tailed Lizard ; Spotted-tail Dragon ; Beau- 
tiful Lizard. 
Rance.—Entire desert area of southeastern California. Occurs 
north into Inyo County: Independence in Owens Valley (Swarth, 
MS), Saline Valley, Furnace Creek in Death Valley, and the Funeral 
Range (Stejneger, N. Amer. Fauna, 7, 1893, p. 173); west to Kelso 
Creek, near Weldon, Kern County (Mus. Vert. Zool.), to Cameron, 
8 miles northwest of Mohave, Kern County (Stejneger, loc. cit.), to 
western Antelope Valley, Los Angeles County (Camp, MS), to Cajon 
Wash, San Bernardino County (Mus. Vert. Zool.), and to near Ban- 
ning, Riverside County (Van Denburgh, Oce. Papers Calif. Acad. Sei., 
5, 1897, p. 50). Oceurs also at Vallevista, in San Jacinto Valley, 
Riverside County (Atsatt, Univ. Calif. Publ. Zool., 12, 1913, p. 33), 
and Oak Springs, San Diego County (Van Denburgh, loc. cit.). Oc- 
cupies the Lower Sonoran lhfe-zone. Inhabits level gravelly or sandy 
plains and washes. 
