TBOPIDONOTUS. 343 



423. Tropidonotus modestus. 



Tropidonotus modestus, Giinth. P. Z. S. 1875, p. 232 ; Anders. An. 

 Zool. Res. Yunnan, p. 817. 



Eye rather small ; rostral just visible from above ; suture 

 between the internasals as long as that between the'prsefrontals or a 

 little shorter ; frontal longer than its distance from the end of the 

 snout, shorter than the parietals ; loreal longer than deep ; one 

 praeocular (or two); two or three postoculars ; temporals 1 + 1 

 (1+2 or 2+2) ; upper labials 9, fourth, fifth, and sixth entering 

 the eye ; 5 lower labials in contact with the anterior chin-shields, 

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

 keeled. Ventrals 154-168 ; anal divided ; subcaudals 96-122. 

 Olive-brown above, with small black spots, and a more or less 

 distinct series of small yellowish spots, or a yellowish band, along 

 each side of the back ; sutures between the labials black ; lower 

 surfaces yellowish, with a series of blackish spots on each side of 

 the ventrals, or yellowish in the middle and blackish on the sides, 

 or nearly entirely blackish. 



Total length 2 feet ; tail 7 inches. 



Hal). Khasi Hills and Western Yunnan. 



424. Tropidonotus platyceps. 



Tropidonotus platyceps, Blyth,J. A. S. JB. xxiii, 1854, p. 297 ; Giinth. 



Kept. B. I. p. 264, pi. xxii, fig. D ; Stoliczka, J. A. S. B. xxxix, 



1870, pt. 2, p. 191; Anders. P. Z. S. 1871, p. 17G ; Theob. Cat. 



p. 174. 

 Herpetoreas sieboldii, Giinth. P. Z. S. 1860, p. 156; id. Rept. B. 1. 



p. 257 ; Theob. Cat. Kept. As. Soc. Mus. 1868, p. 54 ; id. Cat. 



p. 172. 

 Zamenis himalayanus, Steindachner, Sitzb. zool.-bot. Ges Wien, xvii, 



1867, p. 513, pi. xiii, figs. 1, 2, 3. 



Eye moderate ; rostral just visible from above ; suture between 

 the internasals as long as that between the pra3frontals or shorter ; 

 frontal longer than its distance from the end of the snout, shorter 

 than the parietals ; loreal longer than deep ; one praeocular (some- 

 times divided) ; , two or three postoculars ; temporals 1 + 1, or 1 + 2, 

 or 2+2 ; upper labials 8, third, fourth, and fifth entering the eye ; 

 4 or 5 lower labials in contact with the anterior chin-shields, 

 which are much shorter than the posterior. Scales in 19 rows 

 faintly or feebly keeled. 177-235 ventrals ; anal divided ; subcaudals 

 75-107. Olive-brown above, with small black spots ; frequently 

 two black parallel lines or an elliptic marking on the nape ; a 

 light, black-edged streak on each side of the head, or a black line 

 from eye to gape ; belly yellowish, with or without blackish dots ; 

 frequently a black line or series of elongate blackish spots along 

 each side of the belly ; lower surface of tail frequently mottled with 

 blackish; throat sometimes black. In life, a coral-red band is 

 said to run along the ends of the ventrals. 



Total length 3 feet ; tail 9 inches. 



