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third upper labial. Prsefrontal and frontal very broad, much 

 broader than the supraoculars and parietals which are of the 

 same size. Interparietal no larger than the body scales, which 

 are in 20 longitudinal rows. Tail short, as long as broad, with 

 12 rows of scales'. Colour olive, browner above, yellowish below, 

 the dorsal scales brownish on their largest halves, darker towards 

 both sides, producing an appearance of dark longitudinal lines. 

 Said to inhabit the Himalayas. 



T. porrectus, Stol. J. A. S., B., 1871, p. 426. PI. 25, f. 1-4. 



Body very slender. Head slightly broader and depressed. 

 Rostral broader above than in front, slightly narrowed behind. 

 The nasal touches the fronto-nasal in front towards the rostral 

 but is disunited below. The fronto-nasals extend behind the 

 rostral, but without meeting. The nasal is in contact with the 

 first and second labials. The fronto-nasal touches the second 

 labial only. The preeocular is in contact with the second and 

 third, and the ocular with the third and fourth labials. The eye 

 is very indistinct, situated below the anterior part of the suture 

 between the supraocular and the ocular. The first upper labial 

 is very small, and in young specimen hardly traceable. The 

 second distinct, the fourth considerably higher and longer than 

 the third. All the head shield finely punctate. 



Scales of the body in 18 longitudinal and in adults 440 trans- 

 verse rows. Colour above pale chocolate or leaden brown above 

 shading into paler below. Grows to 11 inches. The circum- 

 ference being ^V of t^e entire length. 



Inhabits Hardwar, Parisnath Hill, Calcutta, Sikkim, Agra, &c. 



T. Andamanensis Stol. J. A. S.,B., 1871, p. 428, p. 25, f. 9-12. 

 Rostral reaching far back on the head, rounded behind, slightly 

 more than one-third of its width. Nasal small, separated from 

 the frontonasals by a suture above and below. Frontonasals do 

 not meet behind. Two prseoculars, the lower one smallest. Ocular 

 moderate with the eye indistinctly seen through it. An elonga- 

 ted subocular. First labial smallest, elongate, in contact with 



