348 COLUBRIP^. 



48. LYCODON. 



Lycodon, part., Bine, Isis, 1827, p. 521 ; Wagl. Si/st. Amph. p. 180 

 *(1830) ; Schleq. Pltys. Serp. ii. p. 104 (18;i7) : Diiw. <V Jiibr. Erp. 



Gen. vii. p. 367 (18"o4) ; Giirith. Cat. Col. Sn. p. 201 (18-58) ; Jan, 



Elenco sist. OJid. p. 9o (1803) ; Gxhdh. Rept. Brit. Ind. p. 315 



(1864). 

 Ophites, Wagl. I. c. p. 180 ; Bum. ^- Bihr. t. c. p. 397; Gtinth. 11. cc. 



pp. 206, 322 ; Jan, I.e. 

 Cercaspis, li'ac/l. I. c. p. 191 ; Bum. i§" Bibr. f. c. p. 389 ; Gunth. II. cc. 



pp. 207, 323 ; Jan, I. c. p. 94. 

 Sphecodes, Bum. ^- Bibr. Mem. Ac. Sc. xxiii. 1853, p. 401, and 



E?-]). Gen. vii. p. 394. 

 T.eptorhytaon, Gihith. II. cc. pp. 205, 321. 

 Tetratyonosonia, Giinth. II. cc. pp. 253, 320. 

 Tytleria, T/ieob. Cat. Bept. As. Soc. Mus. p. CO (1808). 

 Lycodon, Boulemj. Faun. Ind., Rept. p. 291 (l890j. 



Fig. 23. 



Maxillary and mandible of Lycodon aidieus. 



Maxillary bent inwards anteriorly in the adult, the three to six 

 anterior teeth increasing in size, fang-like, aiid separated by a 

 toothless interspace from the rest, seven to fifteen in number, 

 which increase in size posteriorly ; anterior mandibular teeth 

 longest, fang-like. Head not or but slightly distinct irora neck, 

 more or less depressed ; eye small or moderate, with vertically 

 elliptic pupil; nostril large or lather large. Eody more or less 

 elongate, cylindrical or slightly compressed ; scales smooth or keeled, 

 in 17 or 19 rows, with apical pits ; ventrals with or without a 

 lateral keel. Tail moderate ; subcaudals single or double. 



(Southern Asia. 



Synoijsis of the Species. 

 I. A prseocular, separating the eye from the prsefrontal. 

 A. Scales smooth. 



1. Scales in 17 rows; subcaudals usually in two rows. 



a. Ventrals not angulate ; anal divided. 

 a. Nostril between two nasals. 



8 upper labials 1. striatus, p. 349. 



9 or 10 upper labials 2. jura, p. 350. 



/J. Nasal single 3. tessellatas, p. 351. 



