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.