96 



CALIFORNIA ACADEMY OF SCIENCES. 



with imbricate scales, largest at its edge. The back 

 and sides are covered with small flattened granules, which 

 pass gradually into the much larger smooth ventrals. A 

 strong fold extends along each side between the limbs. 

 The tail is of medium length, and considerably depressed 

 at its base. The limbs are very long and slender. The 

 number of femoral pores varies from twelve to eighteen. 

 The males have enlarged postanal plates. 



Measurements of the largest specimens in mm,. 



Sex 



Snotit to veut 



Tail , 



Head to ear 



Width of head 



Head to posterior edge of interparietal 



Hind limb 



Fore limb 



Base of 5th to end of 4th toe 



3 



$ 



3 



S 



? 



67 



68 



65 



67 



60 



80 



— 



— 



— 



73 



14 



14 



14 



14 



13 



11 



12 



12 



11 



11 



12 



12 



13 



13 



11 



62 



65 



61 



62 



52 



36 



37 



33 



35 



31 



27 



28 



28 



27 



22 



? 



55 

 62 

 12 

 10 

 11 

 50 

 29 

 22 



There is so much variation in color that no exact de- 

 scription can be given. The males are grayish above, 

 tinted with primrose yellow and ochraceous buff on sides, 

 and thickly spotted with pale yellow or white. Two se- 

 ries of brown blotches on the back are united on the 

 upper surface of the tail to form undulate brown cross- 

 bands. The lower surface of the tail is white, crossed 

 by from six to eight black bars which correspond in po- 

 sition to, and are often united with, the brown bands of 

 its upper surface. The chin and throat are marked with 

 numerous oblique dusky lines. The latter has a large 

 half-concealed patch of red. A large blue or green area 

 along each side is crossed by two almost vertical black 

 blotches, behind which is a small round black spot. The 

 limbs are crossed by bands of dusky. The females have 



