222 LIZARDS OF THE PHILIPPINE ISLANDS 



labials ; a rather enlarged scale between fourth and fifth upper 

 labials; eight upper labials, fifth and sixth largest, below eye; 

 two enlarged temporals, with three or four others not so large; 

 auricular opening comparatively large, a little more than half 

 the diameter of eye ; tympanum distinct, not covered with scales, 

 not deeply sunk ; six or seven lower labials ; mental rather large, 

 followed by a large undivided postmental, which is followed by 

 three pairs of chin shields, first pair in contact, second pair 

 separated by a single scale, third pair separated by three scales 

 and followed by one enlarged scale; scales in twenty-four rows 

 around body, the two median dorsal rows greatly enlarged ; two 

 enlarged anals; fourth toe slightly longer than third; adpressed 

 legs fail to meet ; twenty lamellse under fourth toe ; lower eyelid 

 with an undivided transparent disk. 



Color in life. — Above grayish brown with a median stripe of 

 dark brown, covering part of the two median scale rows, con- 

 tinuing as a dotted stripe on tail, dim on neck; a dark brown 

 stripe begins behind eye and continues laterally to near end of 

 tail; this does not involve ear and is about three scales wide on 

 side ; it grows dimmer on tail ; head grayish brown with irregular 

 darker markings; laterally quite dark with a lighter area on 

 each labial ; below rather dirty whitish ; fingers and toes barred 

 with blackish brown. 



Measurements of Siaphos auriculatum Taylor. 



mm 



Length 97 



Snout to vent 43 



Axilla to groin 24 



Snout to foreleg 17 



Foreleg 8.5 



Hind leg 14 



Width of head 6 



Width of body 7 



Variation. — T\vo other specimens in my collection were ob- 

 tained in the same locality. Each has twenty-two rows of scales 

 around the body. In No. 893 the interparietal is partially fused 

 with the parietal ; the median stripe is very dim and the color is 

 iridescent olive brown with a suggestion of a narrow greenish 

 line just above the lateral brown stripe. In No. 895 the stripe 

 appears as a double row of dots. It is the largest specimen and 

 measures 47 millimeters from snout to vent. 



Remarks.— This species has no close affinity. The absence of 

 prefrontals, the size of the auricular opening, and the tym- 

 panum being free from scales are characteristics that clearly 



