COLUBER. 139 



This species inhabits India. A young specimen was obtained 

 by Dr. Cantor in the Province AVeileslej. 



Genus XENEL APHIS. 



Glinth. Rept. Brit. Ind. p. 250 (1864). 



Maxillary teeth 25 to 30, generally increasing in size ; anterior 

 mandibular teeth a little enlarged. Head moderately elongate, 

 distinct from neck ; eye moderate, with round pupil ; a subocular 

 below the prseocular. Body elongate, cylindrical; scales smooth, 

 with feebly marked apical pits, in 17 rows, the vertebral row 

 slightly enlarged and six-sided ; ventrals rounded. Tail long ; 

 subcaudals in two rows. 



A single species. 



147. Xenelaphis hexagonotus. 



Cobiher hexahonotus, Cantor, Journ. Asiat. Soc. Bengal, xvi, p. 921 



(1847). 

 Xenelaphis hexagonoUis, Giinth. Rept. Brit. lud. p. 2ol, pi. xxi, 



lig. C (1864); Bouleng. Faun. Brit. Ind., Rept. p. 336 (1890); 



id. Cat. Sn. ii, p. 8 (1894) ; S. Flower, P. Z. S. 1896, p. 882. 



Kostral broader thaia deep ; internasals as long as or a little 

 longer than the prcef rontals ; frontal Ig to \\ times as long as 

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

 shorter than the parietals ; loreal nearly as long as deep ; one 

 praeocular, with a rather large subocular below it; 2 postoculars 

 and a large subocular ; a third subocular occasionally present, 

 separating the eye from the labials; temporals 2 + 2; normally 

 8 upper labials, fourth entering the eye ; 4 or 5 lower labials in 

 contact with the anterior chin-shields, which are as long as the 

 posterior. Scales in 17 rows. Ventrals 185-198 ; anal divided ; 

 subcaudals 140-179. Brown above, with black cross-bands, which 

 become indistinct with age, on the anterior half of the body, old 

 specimens showing mere traces of the outer ends of these bands ; 

 lower parts uniform yellowish. 



Total length 1650 millim. ; tail 600. 



Burma, Malay Peninsula and Archipelago. On record from 

 Penang, Pahang, Prov. Wellesley, and Singapore. 



Genus COLUBER. 



Linn. Syst. Nat. i, p. 37o (1766). 



Maxillary teeth 12 to 22, subequal in size ; anterior mandi 

 bular teeth longest. Head elongate, distinct from neck ; eye 

 moderate or rather large, with round pupil. Body elongate, 



