454 Mr. G. A. Boulei 1- on new Reptiles and 



spots on the upper lip, below the eye; large blacklsh-brown 

 partly confluent spots on the back ; sides dark brown, light- 

 edged abo7e; limbs dark brown, with rather indistinct darker 

 cross-bars ; throat brown, belly brownish white. 



From snout to vent 65 millim. 



A female specimen, full of ripe eggs 3 millim. in diameter, 

 from Mount Kina Balu, 4200 feet. 



Nearest allied to L. Fece, Blgr. Distinguished by the 

 smaller head, the distinct tympanum, the longer digits, and 

 the absence of a large horn-like tubercle on the upper eyelid. 



LI I. — Descriptions of new Reptiles and Batrachians collected 

 hy Mr. P. 0. Simons in the Andes of Ecuador. By G. A. 

 BOULENGER, F.R.S 



Stenoce7'cus Simonsii. 



No pterygoid teeth. Anterior border of ear with three or 

 four conical scales forming a strong denticulation. Middle 

 supraocular scales broader than long; no enlarged occipital. 

 Sides of neck irregularly folded ; a transverse fold in front 

 of the collar, which is narrowly interrupted in the middle. 

 Body depressed ; a slight dorsal denticulation or low vertebral 

 crest. Nuchal, lateral, and anterior dorsal scales very small, 

 granular, obtusely keeled ; on the back <he scales become 

 gradually much larger, rhomboidal, subimbricate, obtusely 

 keeled, not mucronate, merging into the caudals, the keels 

 forming oblique lines converging posteriorly. Gular and 

 ventral scales rhomboidal, imbricate, smooth, the ventrals 

 as large as the dorsals. The hind limb, stretched forwards, 

 reaches the ear or the eye, fifth toe not extending as far as 

 second. Tail nearly twice as long as head and body, rounded, 

 tapering; caudal scales large, strongly keeled, mucronate, 

 spinose, arranged in rings. Grey-brown above, with five or 

 six black cross-bars, which may be interrupted on the vertebral 

 line, the first descending to the collar-fold; dark and light 

 niarblings on the side of the neck and between the dorsal bars ; 

 a light black-edged streak from below the eye to above the 

 ear; limbs and tail with blackish cross-bars; lower parts 

 whitish, witli rather indistinct olive-grey spots on the chin 

 and throat. 



From snout to vent 70 millim. ; head 19 ; width of head 

 12 ; fore limb 31 ; hind limb 49. 



Two specimens from Oiia, 6500 feet altitude. 



