REPTILES OF THE PACIFIC COAST. 



131 



first supraocular plates. Each of two frontoparietal 

 plates ill contact with frontal, second, third, and fourth 

 supraoculars, parietal, interparietal, and its fellow of 

 opposite side. Interparietal bordered behind by two 

 large occipitals. Latter separated from the parietals by 

 two small scutes. A row of large supratemporals along 

 outer edge of occipital and parietal plates. Two loreals 

 in contact below with supralabials and above with fronto- 

 nasal and prefrontal plates. Eye surrounded by a series 

 of small plates, upper live of which are superciliaries. 

 Between this ring and posterior loreal, two or three small 

 plates, A series of four supraoculars separating super- 

 ciliaries from frontal and frontoparietal plates. Five 

 superior and four or five inferior labials to a point below 

 pupil. Eye large, without lids, and with vertical pupil. 

 Ear with a weak anterior denticulation. Inferior labials 

 in contact with large sublabials. First pair of latter in 

 contact on median line. Back, sides, upper and poste- 

 rior surfaces of limbs, and gular regions, covered with 



flattened granules. A series of large plates along edge 

 of last gular fold. Quadrate ventrals in sixteen longi- 

 tudinal and thirty-two to thirty-five transverse rows. 

 Large preanal plates arranged in two or three series, 

 edged by smaller scales and granules. Tail conical. 



