93 



a dorsal row of round white spots ; belly white with lateral 

 dots. Throat yellow ; ^ yellow collar. 

 Straits. 



T. CEYLONENSIS, OtJlT. 



Scales 19, strongly keeled. Ventrals 137, subc. 60. Brown- 

 ish olive, with about 20 unsymmetrical cross-bands, each 

 enclosing a lateral yellow ocellus, black post-orbital streak. 



T. BEDDOMII, Gthr. 



Scales 19, strongly keeled. Ventrals 146, subc. 70. Labials 

 9 (4, 5 and 6). Brown, with dorsal transverse orange bars ; 

 nuchal yellow cross-bar, and yellow black-edged post-orbital 

 streak. 



Nilgiris. 



T. NiGROCiNCTtJS, Blyih. 



Scales 17. Ventrals 160, subc. 81. Olive grey, passing 

 into green near the head, with about 50 narrow black cross- 

 bands and nuchal black band preceded by a pale or red 

 collar ; belly grey, darkening posteriorly. 

 Burma. 



T. FLAviPUNCTATUS, Hallowel. 



Scales 17. Ventrals 128, subc. 78. Uniform dusky yellow, 

 spotted with yeUow above and with black below; black 

 nuchal band, and two black post-orbital streaks. 

 China. 



T. ZEBEINUS, Blyth. 



Scales 15. Ventrals 137, subc. 96. Plumbeous,, spotted 

 and cross-banded with black ; labials with triangular black 

 spot at their junction above ; nuchal band, 

 Tenasserim. 



T. TIGEINUS, £oi0. 



Scales 19. Ventrals 152-168, subc. 62-80. Olive, with a 

 vertebral and a dorsal row of square black spots, reddish 



