10. TROPIDONOTUS. 223 



21. Tropidonotus parallelus. (Plate XIII. fig. 2.) 



Tropidonotus dipsas (non Blyth), Anders. An. Zool. Res. Yunnan, 



p. 819 (1879). 

 parallelus, Bouleng. Faun. Ind., Rept. p. 34o (1890). 



E3-e moderate. Kostral broader than deep, just visible from 

 above; internasals as long as broad, as long as or a little sbortcr 

 than the prtefrontals ; frontal once and a half to onee and two thirds 

 as long as broad, longer than its distance from the end of tlie 

 snout, shorter than thfe parietals ; loreal as long as deep ; one or 

 two (or three) priEOculars ; three postoculars ; temporals 1 + 1 , 

 1 + 2, or 2 + 2 ; eight upper labials normally, third, fourth, and tilth 

 entering the eye ; four or five lower labials in contact with the 

 anterior chin-shields, which are shorter than the posterior. Scales 

 in 19 rows, strongly keeled, those of the outer row more or less 

 distinctly keeled. Ventrals 163-175 ; anal divided ; subcaudals 

 73-95. Olive brown above, the scales edged with blackish, with 

 two yellowish, black-edged dorsal stripes running along the back 

 and tail ; a short yellow longitudinal streak behind the occiput ; a 

 black streak from the eye to the commissure of the mouth ; labials 

 yellow ; ventrals and subcaudals uniform yellow, or with a black 

 dot on each side. 



Total length 560 millim. ; tail 140. 



Sikkim, Khasi Hills, hills of Upper Barmah and Yunnan. 



a. <? (V. 166 ; C. 75). Sikkim. Sir J. Hooker [P.], -^ 



i. cT (V. 167; C. 7b). Khasi HiUa. Sir J. Hooker [P.I. 



c-d. d (V. 163, 167; 0. Khasi Hills P T. C. JerdoQ, Esq. 



73,73). [P.]. 



e. c? (V. 172 ; C. 86). Sanda, Upper Dr. J. Anderson [P.]. f^ 



Irrawaddy. -o 



/. $ (V. 167; C. ?). Hotha Valley, Dr. J. Anderson [P.]. | 



Yunnan. J 



22. Tropidonotus khasiensis. (Plate XIII. fig. 3.) 



Tropidonotus khasiensis, Bouleng. Faun. Ind., Rept. p. 344 (1890). 



Eye moderate. Eostral broader than deep, scarcely visible from 

 above ; internasals as long as broad, broadly truncate in front, 

 nearly as long as the praefrontals ; frontal once and a half as long as 

 broad, slightly longer than its distance from the end of the snout, 

 shorter than the parietals ; loreal as long as deep or a little longer 

 than deep ; one or two prseoculars ; three postoculars ; temporals 

 l-j-l ; nine upper labials normally, fourth, fifth, and sixth entering 

 the eye ; five lower labials in contact, with the anterior chin-shields, 

 which are shorter than the posterior. Scales in 19 rows, rather 

 strongly keeled, the outer row smooth. Ventrals 150-154 ; anal 

 divided; subcaudals 80-100. Pale brown above, some of the 

 scales edged with darker ; head speckled with black, or with more or 

 less distinct yellowish dots or vermiculations ; labials yellow in the 



