178 COLTJBEID^. 



Synopsis of the Species. 



I, Snout without dermal appendage. 



A. Ventral shields less than 200. 



One postocular ; no loreal ; two labials 



entering the eye ; subcaudals 69-82 . . 1. perroteti, p. 178. 

 Two postooulars ; one or two loreals ; 



one labial entering the eye ; subcaudals 



82-106 2. di^ar, p. 179. 



Two postoculars ; three t)r four loreals ; 



one labial entering the eye ; subcaudals 



115-151 3. fronticinctus, p. 179. 



Two postoculars ; two to four loreals ; 



two or three labials entering the eye ; 



subcaudals 115-156 4. xanthozona, p. 180. 



B. Ventrals 203-235 ; subcaudals 168-207. 



Anal divided (rarely entire) 5. prasinus, p. 180. 



Anal entire 6. faseiolaUis, p. 182. 



II. Snout ending in a dermal appendage ; no loreal. 



BiOstral appendage formed entirely by the 



rostral 7. myeterizans, p. 182. 



Hostral appendage covered with small 



scales above 8. pvlverulentus, p. 184. 



1. Dryophis perroteti. 



Psammophis perroteti, Dum. 8r £ibr. vii. p. 899 (1854). 



Leptophis ? canariensis, Jerdon, Journ. As. Soc. Beng. xxii. 1855, 



p. 630. 

 Dryiophis tropidococoyx, Giinth. Cat. p. 157 (1868). 

 Tropidocoocyx perroteti, Giinth. Ann. Sf Mag. N. H. (3) vi. 1860, 



p. 428, pi. vii. figs. 5-7, and Bept. Brit. Ind. p. 301 (1864). 

 Dryophis perroteti, Jan, Elenco, p. 89 (1863) ; Peters, Mem. Berl. 



Ac. 1868, p. 462 ; Jan, Icon. Q&n. 33, pi. v. fig. 2 (1869) ; Bouleng. 



Faun. Ind., Bept. p. 368 (1890). 

 Tragops perroteti, Theob. Cat. Bept. Brit. Ind. p. 191 (1876). 



Snout obtusely pointed and projecting, without dermal appendage, 

 not quite twice as long as the eye. No loreal, internasals and 

 prsefrontals in contact with the labials ; frontal longer than its 

 distance from the end of the snout, as long as the parietals ; one 

 prseocular, in contact with the frontal ; one postocular ; temporals 

 1 + 2 or 2+2; eight (rarely nine) upper labials, fourth and fifth 

 entering the eye ; five lower labials in contact with the anterior 

 chin-shields, which are as long as the posterior. Scales in 15 rows, 

 those on sacral region keeled. Ventrals 135-147 ; anal divided ; 

 subcaudals 69-82. Bright green above ; yellowish or pale green 

 leneath, with a green lateral line. 



Total length 560 miUim. ; tail 135. 



North Canara and NUgherries. 



