164 MR. G. A.. BOULENGER ON REPTILES [Feb. 21, 



the larger eye, the broader rostral, the shorter parietals, the 

 presence of three postoculars instead of two, and the coloration of 

 the upper labials. 



12. Teopidonotus tigbinfs Boie. 

 A single specimen. 



Tapinophis, g. n. 



Teeth small, equal, 17 or 18 in the maxillary. Head small, 

 much depressed, not distinct from neck ; eye very small, with 

 round pupil; nostril in the upper part of an undivided nasal; 

 praefrontal single ; no prseocular ; loreal entering the eye. Body 

 cylindrical ; scales feebly keeled, without apical pits, in 17 rows ; 

 ventrals rounded. Tail rather short ; subcaudals in two rows. 

 Hypapophyses developed throughout the vertebral column. 



This genus is nearest allied to Opistliotropis Gthr. 



13. Tapinophis latouchii, sp. n. (Plate XVIII. figs. 1-1 c.) 



Rostral broader than deep, with straight transverse upper 

 border, just visible from above ; nasals rather large, separated by 

 a pair of narrow internasals ; prsefrontal twice and a half as broad 

 as long ; frontal as long as broad, as long as its distance from the 

 end of the snout, shorter than the parietals ; supraocular narrow ; 

 loreal twice as loug as deep ; two postoculars, lower smaller ; 

 temporals 1 + 1 or 2 ; nine upper labials, the first three in contact 

 with the nasal, fifth and sixth entering the eye ; four lower labials 

 in contact with the anterior chin-shields, which are longer than 

 the posterior ; the latter separated from each other by one scale. 

 Scales in 17 rows, the feeble keel not extending to the extremity 

 of the scale. Ventrals 149 ; anal divided ; subcaudals 53. Olive 

 above, with interrupted black longitudinal lines, yellow on the 

 sides and below ; a black streak along the side of the body, along 

 the adjacent halves of the second and third rows of scales ; labials 

 edged with blackish ; lower parts uniform, except the base of the 

 tail, which bears a black median streak. 



Total length 455 miUim. ; tail 85. 



A single female specimen. 



14. Trirhinopholis styani, sp. n. (Plate XVIII. figs. 2&2«.) 



Snout short, slightly prominent. Eostral rather large, once 

 and two thirds as broad as deep, the portion visible from above 

 about half as long as its distance from the frontal; internasals 

 twice as broad as long, much shorter than the prsefrontals ; frontal 

 haxagonal, once and one third or once and a half as long as broad, 

 longer than its distance from the end of the snout, a little shorter 

 than the parietals ; no loreal, posterior nasal forming a suture 

 with the single prseocular ; two postoculars ; temporals 2 -f- 2 ; six 

 or seven upper labials, third and fourth entering the eye ; anterior 

 chin-shields longer than the posterior, in contact with the sym- 

 physial and three lower labials. Scales in 15 rows. Ventrals 



