TBOPIDONOTrS. 345 



427. Tropidonotus parallelus. 



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

 p. 819. 



Eye moderate, its diameter nearly equal to its distance from the 

 nostril ; rostral just visible from above ; suture between the inter- 

 nasals as long as that between the prsefrontals ; frontal longer than 

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

 loreal as long as deep ; one or two (or three) prseoculars ; three 

 postoculars ; temporals 1 + 1, 1 + 2, or 2 + 2; upper labials 8 nor- 

 mally, third, fourth, and fifth entering the eye ; 4 or 5 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 163-172 (160-175, 

 Anderson) ; anal divided ; subcaudals 73-86 (95, Anderson). Olive- 

 brown above, the scales edged with blackish, with two yellowish, 

 black-edged dorsal bands 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 22 inches ; tail 5. 



Hob. Sikhirn, Khdsi Hills, hills of Upper Burma and Yunnan. 



428. Tropidonotus chrysargus. 



Tropidonotus chrysargus, Schleg. Phys. Serp. ii, p. 312, pi. xii, figs. 6 



&7. 

 Tropidonotus junceus, Cantor, J. A. S. B. xvi, 1847, p. 940 ; Giinth. 



Kept. B. I. p. 268, pi. xxii, fi<r. F ; Stoliczka, J. A. S. B. xl, 1871, 



pt. 2, p. 434 ; Theob. Cat. p. 176. 



Leptophis albomaculatus, Dum. $ Bibr. Erp. Gen. vii, p. 541. 

 Amphiesma chrysargum, Dum. < Bibr. t. c. p. 739. 

 Tropidonotus dipsas, Blyth, J. A. S. B. xxiii, 1854, p. 297. 

 ? Tropidonotus zebrinus, Blyth, t. c. p. 295 ; Theob. t. c. p. 173. 

 Amphiesma platyceps, Jan, Icon. Ophid. 29, pi. ii, fig. 1. 



Eye large, its diameter exceeding its distance from the nostril ; 

 rostral just visible from above ; suture between the internasals as 

 long as that between the praefrontals or a little shorter ; frontal as 

 long as its distance from the end of the snout, shorter than the 

 parietals ; loreal nearly as deep as long ; one or two praeoculars, 

 three postoculars ; temporals 2 + 2 or 2+3 ; upper labials 9 or 8, 

 fourth, fifth, and sixth, or third, fourth, and fifth, entering the eye ; 

 5 or 6 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 distinctly keeled. Ventrals 143-169 ; anal 

 divided ; subcaudals 60-92. Brownish or olive-green above, with 

 a series of yellow spots or short transverse bars along each side of the 

 back ; young with black spots and cross bars, which become indis- 

 tinct with age ; upper lip white, with the sutures between the 

 labials black, the white colour extending as an angular or crescentic 

 marking on the nape ; belly yellowish, with or without blackish 

 dots and with a more or less distinct series of small black spots 

 along each side. 



