1894,] COLLECTION TS THE NATUEAL-HISTORT MTJSEUM. ' 733 



millim. raillim. 



Total length 75 Fore limb 8 



Head 9 Hind limb 10 



Width o£ head.... 5 Tail 43 



Body 23 



A single young specimen from the Hacienda Rosa de Jericho, 

 Nicaragua, 3250 feet ; collected by Dr. E. Eothschuh. 



Tachtdeomus holstt. (Plate XLIX. fig. 1.) 



Head rather short. Eostral forming a suture with the fronto- 

 nasal, entirely separating the nasals ; supraoculars in contact with 

 the supraciliaries ; a small shield separates the large anterior 

 supraocular from the loreal ; temporal scales very small, obtusely 

 keeled ; three or four chin-shields on each side \ Six longitudinal 

 series of strongly keeled dorsal shields, the two median smaller ; 

 eight longitudinal series of keeled ventral shields ; three series of 

 smaller keeled shields on each side of the ventrals. Two inguinal 

 pores on each side. Ohve above, greenish white beneath ; a white 

 streak from the eye to the shoulder, passing through the tym- 

 panum. 



millim. millim. 



Total length 113 Fore limb 16 



Head 10 Hind limb 22 



"Width of head . . 7 Tail (reproduced) . 58 



Body 45 



Two specimens, from the Osen Mt., Shimabara, Japan ; collected 

 by Mr. Hoist. 



Lygosoma ltjzonbkse. (Plate XLIX. fig. 2.) 



Section Hinulia. Body elongate ; limbs weak ; the distance 

 between the end of the snout and the fore limb is contained once 

 and a half in the distance between axilla and groin. Snout short, 

 obtusely pointed. Lower eyelid scaly. NostrU pierced in the 

 nasal; no supranasal; frontonasal broader than long, forming a 

 suture with the rostral ; praefrontals in contact ; frontal not quite 

 so long as the frontoparietal, which is single, in contact with the 

 first and second supraoculars ; four supraoculars, first largest ; 

 seven supraciUaries ; parietals forming a suture behind the inter- 

 parietal ; no enlarged nuchals ; fourth to sixth upper labials below 

 the eye. Ear-opening round, small, not larger than the pupil. 

 28 smooth scales round the middle of the body ; dorsals as large as 

 ventrals, laterals smaller. A pair of feebly enlarged pr^anals. 

 The length of the hind limb equals the distance between the 

 posterior border of the eye and the fore hmb ; fourth toe a little 

 longer than third. Tail thick, once and one-fourth the length of 



1 The adult has three chin-shields on the right side and four on the left ; the 

 young has four shields on each side. 



