REPTILES OF THE PACIFIC COAST. 



187 



by two, but rarely 2-1, 1-2, or 1-1. Eight or nine 

 superior and ten or eleven inferior labials, seventh or 



eighth upper and fifth lower largest, fourth and fifth or 

 fifth and sixth superior reaching eye, first pair of in- 

 ferior meeting on median line. Geneials in two pair, 

 posterior pair a little larger. Scales on body smooth, 

 in seventeen rows. Anal plate almost always divided. 

 Gastrosteges varying in number from one hundred and 

 ninety-seven to two hundred and six. Urosteges in two 

 series of from one hundred and four to one hundred 

 and twenty-three. Third, fourth, and fifth urosteges of 

 one specimen not divided. 



The general color is whitish, grayish, ochraceous, 

 brownish, or straw yellow, usually lightest at the edges 

 of the scales, often spotted with brown or black at their 

 tips or bases. Across the 



r//- 



nape are several (3-7) 

 brownish or blackish 

 bands, often more or 

 less blended. Faint in- 

 dications of longitudinal 

 lines may sometimes be 



j:j vv 



seen along the sides. 



The lower surfaces are pale 



