1Y6 ON THE REPTILIA OF PERU. 



35. Phyllodactylus reissii, Peters, Monatsber. Berlin Academy, 1862, p. 626. 

 From the valley of Jequetepeque. 



36. Theoadactylus eapicauda, Houttyn. 



37. GONIODACTYLUS. 



AMPHISB^NIA. 



38. Amphisb^na occidentalis, Cope, sp, nov. 



Nasal, frontonasal, and parietal scuta in mutual contact in pairs, the last pair 

 forming a half disk. Nasal not reaching lip ; rostral protuberant, little visible 

 from above, triangular in outline. Labials four above, three below; first superior 

 longer than high, second higher than long, fourth very small. First labial twice 

 as deep as long, second largest, longer than deep. Symphyseal narrowed and 

 truncate behind, and bordered by a longitudinally oval plate, which also bounds 

 the first and second labials below. A crescentic row of seven scuta bound the 

 posterior borders of this and the labials, the median being the smallest. Ocular 

 plate small, subquadrate, followed by four scales bordering each parietal to the 

 median suture. Preanal scuta six, pores four, caudal annuli nineteen. Eye in- 

 visible. 



Above, numerous scales dark-lead colored, interrupted by colorless ones. 

 Below, white. 



, ' M. 



Total length 285 



Length to rictus oris ......... .006 



" of tail 023 



Common in the valley of Jequetepeque. Allied to the A. vermicular is and A. 

 darwinii of Dumeril and Bibron. The former diff"ers, among other points, in the 

 possession of eight temporal scuta on each side ; the latter has occipital scales, 

 and only three superior labials. 



89. Amphisb^na fultginosa, Linn. 



OPHIDIA. 



SCOLECOPHIDIA. 



40. Typhlops RETiGULAirus, Linn, 

 From the Maranon. 



TORTRICINA. 



4L ToRTRix scYTAiiE, Linn. 

 • From the Maranon and Solimoens. 



