48. LYCODON. 34!) 



h. Vontrals laterally aiigulutc. 



a. Loreal present. 



* Internasal extensively in contact with the loreal. 



Two loreals ; anal entire 4. anamallensis, p. 3-31. 



One loreal ; anal divided (rarely entire). . 5. uulicus, p. 352. 



** Internasal not or but slightly in contact with the 

 loreal. 



Anal divided G. laoensis, p. 354. 



Anal entire 7. iravancurkus, p. 355. 



/3. No loreal, prasfrontul in contact with the labials. 

 Three labials entering the eve ; ventrals 



215-228 ' 8. effrensis, p. 350. 



Two labials entering the eye ; ventrals [p. 350. 



235-257 9. atropiivpurens, 



2. Scales in 10 rows : subcaudals single. 



10. siormi, p. 357. 

 B. Scales keeled, 



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



Scales strongly keeled ; subcaudals 155- 



208 11. aU)ofi(scus, p. 357. 



Scales feebly keeled; subcaudals 77-90, . 12. fasciatus, p. 358. 



2. Scales in 19 rows. 



Scales feebly keeled ; subcaudals in two 



rows 13. (jammlei, p. 358. 



Scales strongly keeled; subcaudals single. 14. carinatus, p. 358. 



II. No prajocular ; prcefrontal entering the eye : scales in 17 rows ; 

 subcaudals in two rows 15. snhcinctus, p. 359. 



1. Lycodou striatus. 



liusAell, Lid. Scrj). i. pis. xvi. A: xxvi. (1706). 

 Coluber striatus, S/ia/r, Zool. iii. p. 527 (l'%2). 



nialignus, Daud. liept. vii. p. 46 (l80-'i). 



galatliea, Daud. t. c. p. oo. 



Lycodou nialignus, Boie,Isis, 1827, p. o-j1. 



galathoii, Boic, I. c. 



? Lycodon napei, Dum. Sf Bihr. vii. p. 884 (1854). 

 Lvcodou aulicus, part., Gunth. Cat. p. 202 (1858). 

 — ^^ — striatus, Gilnth. Kept. Brit. Ltd. p. .'U8 (1834); Stoliczka, 



Jour n. As. Soc. Bern/, xxxix. 1870, p. 200: Anders. Proc. Zool. 



Sac. 1871, p. 187; Peters, Sit:/>. Ges. ?iaturf. Fre>itide,'[SSl,\\dO ; 



Murray, Zool. Sind, p. 384(1884); Boulenq. Faun. Lul., liept. 



p. 202 (1800), and Proc. Zool. Soc. 1801, p. 032. 



Snout much depressed, slightly projecting ; eye rather small. 



