Frogs and Snakes from Yunnan. 133 



and a broad black lateral band extending from the eye to the 

 end of the tail ; black lines on the sutures between the upper 

 labial shields, which are white; lower parts bright yellow. 



Total length 435 mm. ; tail 65. 



A single male specimen. 



This species appears to be allied to T. Pealii, W. Sclater, 

 from Assam. 



Tropidonotus octolineatus. 



Eye moderate. Rostral broader than deep, just visible 

 from above ; internasals broadly truncate anteriorly, as long 

 as broad, nearly as long as the prefrontals ; frontal once and 

 a half as long as broad, a little longer than its distance from 

 the end of the snout, much shorter than the parietals ; loreal 

 as long as deep ; one prse- and two postoculars ; temporals 

 2 + 2; nine upper labials, fourth, fifth, and sixth entering 

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

 shields, which are a little shorter than the posterior. Scales 

 in 19 rows, dorsals moderately keeled, laterals feebly, outer 

 row smooth. Ventrals 152 ; anal divided ; subcaudals 58. 

 Pale greyish brown above, with two black longitudinal lines, 

 separated by five series of scales, these lines widening on the 

 nape and passing into the dark brown colour of the upper 

 surface of the head ; a black lateral band extending from the 

 eye to the end of the tail ; a black zigzag lateral line, formed 

 by the outer edges of the ventral shields ; an interrupted 

 black line on each side of the belly, formed by a short streak 

 on each shield ; upper lip and lower parts yellow, the outer 

 ends of the ventral shields reddish ; black spots or vertical 

 bars on the upper lip. 



Total length 610 mm. ; tail 125. 



A single female specimen. 



This species is most nearly allied to T. parallelus, Blgr. 



Tropidonotus plmrotoznia. 



Eye moderate. Rostral broader than deep, just visible 

 from above ; internasals narrowly truncate anteriorly, a little 

 longer than broad, a little shorter than the prefrontals ; 

 frontal once and a half as long as broad, longer than its 

 distance from the end of the snout, shorter than the parietals ; 

 loreal as long as deep; one prse- and three postoculars; 

 temporals 2 + 1 ; eight upper labials, third, fourth, and fifth 

 entering the eye ; five lower labials in contact with the ante- 

 rior chin-shields, which are as long as the posterior. Scales 

 in 19 rows, feebly keeled, two outer rows smooth. Ventrals 



