40 CALIFORNIA ACADEMY OF SCIENCES. 



4. — Coleonyx variegatus (Baird). Banded Gecko. 



,'Sleaodactylus varte(jatus, Bairo, Proc. Acad. Nat. Sci. Phila., 1858, 

 p. 254 (type locality Colorado Desert); and Mex. Bound Surv. 

 Eept., II, pi. XXIII, figs. 9-27. 



Eublepharix fasciatusi, Boulenger, Cat. Liz. Brit. Mns., 1885, I, p. 

 234 (type locality Ventanas, Mexico). 



Description. — Snout narrow but rounded and a little 

 longer than distance between orbit and ear-opening. 

 Head and upper surfaces of body covered with minute 

 granules slightly larger on snout than elsewhere. Ros- 

 tral plate somewhat broader than high, and presenting 

 five edges. Behind it the slender prenasals, meeting on 

 the median line. A small supranasal plate. Symphy- 

 seal large, longer than wide. Six to eight upper and 

 as many lower labials, decreasing in size posteriorly. 

 Eyelids bearing a fringe of pointed scales. Ear-opening 

 small, oval, and oblique. Feet, belly, and tail covered 

 with small, smooth, imbricate scales. Digits short. 

 Tail conical, about as long as head and body. A small 

 spur on each side of tail near its base. Males with a 

 short series of six to eight preanal pores. 



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The back is crossed by about five broad bands of dull 

 brown between which are narrower wavy bands of white. 

 A white horseshoe-shaped line on the neck passes just 

 above the ears and ends near the eyes. The head is 

 brown, or whitish with irregular brown spots. A dark 

 brown band runs from the eye to the nostril. The la- 



