OCR Text |
Show 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. TROPIDONOTUS TIGRINUS 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; prefrontal single; no preocular; loreal entering the eye. Body cylindrical; scales feebly keeled, without apical pits, in 17 rows ; ventrals rounded. Tail rather short; subcaudals in tAvo rows. Hypapophyses developed throughout the vertebral column. This genus is nearest allied to Opisthotropis 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; prefrontal 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 long 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 Avith 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 extremitv of the scale. Ventrals 149 ; anal divided ; subcaudals 53. Olives above, Avith interrupted black longitudinal lines, yellow on the sides and beloAv ; a black streak along the side of the body, along the adjacent halves of the second and third TOAVS of scales ; labials edged with blackish ; lower parts uniform, except the base of the tail, which bears a black median streak. Total length 455 millim.; tail 85. A single female specimen. 14. TRIRHINOPHOLIS STYANI, sp.n. (Plate XVIII. figs. 2&2a.) Snout short, slightly prominent. Rostral 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 prefrontals; 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 preocular; two postoculars ; temporals 2 p 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 |