TEOPIDONOTUS. 125 



127. Tropidonotus trianguligerus. 



Boie, Isis, 1827, p. 535; Giintb. Eept. Brit. Ind. p. 261 (1864); 

 Bouleng. Cat. Sn. i, p. 224 (1893). 



Eye moderate. Eostral nearly twice as broad as deep ; inter- 

 ziasals longer than broad, trapezoid, as long as or longer tluin the 

 pr;ie frontal s ; frontal once and a half to once and three fourths as 

 long as broad, as long as its distance from the end of the snout, a 

 little shorter than the parietals ; loreal as long as deep, or deeper ; 



1 (rarely 2) prae- and 3 or 4 po.stociilars ; temporals 2 + 2 or 



2 + 3; 9 upper labials, fourth, fiftli, and sixth entering the eye; 

 5 lower labials iu contact with the anterior chin-shields, which are 

 shorter than the posterior. Scales strongly keeled, of outer row 

 smooth or feebly keeled, in 19 rows. Venti*als 134-150 ; anal 

 divided ; subcaudals 67-94. Dark olive above, with small black 

 spots; usualh^ a lateral series of large triangular black spots, with 

 the points extending down to the ventrals, separated by red inter- 

 spaces ; these markings disappearing or becoming indistiuct on the 

 posterior half of the body ; upper labials yellowish, with black 

 sutures ; lower parts yellowish, uniform or the shields edged with 

 black. 



Total length 1200 millim ; tail 340. 



Southern Burma, Malay Peninsula and Archipelago. Abundant 

 throughout the Peninsula in ditches. 



128. Tropidonotus inas. 



Laidlaw, P. Z. S. 1901, ii, p. 576, pi. xxxv, fig. 2. 



Eye moderate. Internasals broadly truncate iu front, shorter 

 than the prtefrontals ; frontal once and a half as long as broad, as 

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

 parietals ; loreal a little longer than deep ; 1 pra3- and 2 post- 

 oculars ; temporals 1 -}- 2 ; 9 upper labials, fourth and fifth entering 

 the eye. Scales keeled, of outer row smooth, in 19 rows. Ventrals 

 143 : anal divided ; subcaudals 96. Brownish black above ; a series 

 of ill-defined yellowish spots on each side ; a yellowish-white streak 

 from under the eye to the lateral series oE spots ; ventrals white, 

 with a square black spot on the outer margins. 



Total length 272 millim. ; tail 125. 



Described from a single specimen obtained on Gunong Inas, 

 Perak. 



129. Tropidonotus stolatus. 



Coluber stoldf.us, Linn. Syst. Nat. i, p, 379 (1766). 



Tropidonotus stolatus, Boie, Isis, 1827, p. 535 ; Cantor, Jom-n. Asiat. 

 Soc. Bengal, xvi, p. 937 (1847); Gunth. Eept. Brit. Ind. p. 266 

 (1864) ; Bouleng. Faun. Brit. Ind., Bept. p. 348, fig. (1890) ; id. 

 Cat. Sn. i, p. 253 (1893). 



Eye moderate. Eostral twice as broad as deep ; internasals 

 much narrowed iu front, as long as broad or a little longer, 



