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Show 352 MR. G. A. BOULENGER ON REPTILES, [June 2, the bead, body, limbs, and tail very strongly keeled ; scales on snout larger than those on the back of the head ; scales on the back and sides rhomboidal, not imbricate, small on the middle of the back, increasing in size towards the sides, where they are only a little smaller than the ventrals; the latter scales hexagonal and imbricate; 62 scales round the middle of the body. Tail cylindrical, tapering ; upper caudal scales pointed and raised, giving the organ a roughisb appearance ; lower caudal scales larger, rhomboidal, imbricate; no subcaudal enlarged shields. Dark brown above, with some lighter dots ; pale brown beneath. millim. Total length 77 Head 10 Width of head 6 Body . . 27 Fore limb 11 Hind limb 14 Tail 40 This Gecko differs from S. copii, Stdr., of which male and female specimens were obtained by Mr. Ramage in Dominica, in the smaller dorsal scales, the strongly keeled ventrals, and the absence of sub-caudal shields. A single male specimen, collected by Dr. Nicholls. 3. TYPHLOPS PLATYCEPHALUS. Typhlops platycephalus, Dum. & Bibr. vi. p. 293 (1844) ; Icon. Gen. Ophid. p. 18, livr. 3, pis. iv. & v. fig. 8 (1864). Ophthalmidion fuscum, A. Dum. Cat. Meth. Rept. p. 203 (1851). Typhlops fuscus, Jan, op. cit. p. 22, livr. 5, pis. v. & vi. fig. 4. Snout rounded, rather depressed, strongly projecting; nostrils lateral. Rostral about one third the width of the head, extending to the level of the eyes ; nostril between two nasals, the anterior of which is in contact with the first and second labials; praeocular present, a little narrower than the nasal or the ocular, in contact with the third labial only ; eyes distinct; upper head-scales not or scarcely enlarged ; four upper labials. Diameter of body 40 to 50 times in the total length ; tail as long as broad or a little longer than broad, ending in a spine. 24 scales round the body. Blackish brown above and below, uniform or with a few of the scales of the middle ventral row white; lower surface of snout and anal region usually white. Of this little known Typhlops, originally described from Martinique, numerous specimens were obtained by Mr. Ramage and Dr. Nicholls. The largest measures 360 millim. 4. OXYRHOPUS PLUMBEUS, Wied. Hitherto recorded only from Trinidad in the West Indies. 5. TRIGONOCEPHALUS LANCEOLATUS, Daud. |