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121. Verticaria ceralbensis Van Denburgh & Slevin 

 Ceralbo Island Verticaria 



Verticaria ceralbinsis Van Denburgh & Slevin, Proc. Cal. Acad. Sci., 

 Ser. 4, Vol. XI, 1921, p. 396 (type locality, Ceralbo Island, Gulf 

 of California, Mexico). 



Description. — Nostrils opening in large anterior nasal 

 plates, which meet on top of snout. Posterior nasal forming 

 sutures with anterior nasal, first, second, and third labials, 

 loreal, prefrontal, and frontonasal plates. Loreal in contact 

 with third and fourth labials, first subocular, preocular, 

 first superciliary, (usually) first supraocular, prefrontal, 

 and posterior nasal plates. Three supraoculars; first in con- 

 tact with superciliary, prefrontal, frontal and usually loreal 

 plates; others separated from superciliaries and parietal, and 

 sometimes from frontoparietal, and first supraocular, by 

 small granular scales. A single large frontoparietal plate 

 separating frontal from interparietal and parietals. Two or 

 three transverse rows of small occipital plates. About five su- 

 perior and five or six inferior labials to a point below middle 

 of eye. Large sublabial plates present. Gulars large centrally, 

 becoming smaller anteriorly and laterally, and changing ab- 

 ruptly to smaller granules posteriorly. Scales on fold or col- 

 lar moderately large, smaller along its edge. Eight longitud- 

 inal rows of ventral plates. Back and sides covered with small, 

 smooth, equal-sized granules. Limbs plated in front and 

 below. Rings of large scales, strongly keeled except on the 

 proximal part of its ventral surface, covering the tail. Ear- 

 opening large, without denticulation. About 13 to 20 pores 

 in a series along each thigh. 



The body is black above and laterally, with two or three 

 longitudinal light stripes along the back and two light stripes 

 along each side. When there arc only two dorsal stripes 

 the middorsal area is black, sometimes dotted or spotted 



