72 COLUBEID^. 



31. Dipsadomorphus cyaneus. 



Triglyphodon cyaneum,- Bum. Sf Bibr. vii. p. 1079 (1854). 



Dipsas nigromarginata, Blyth, Journ. As. Soc. Beng. xxiii. 1855 



p. 294. 

 oyanea, Jan, Elenco, p. 104(1863) ; Bouleng. Faun. Ind. p. 361 



(1890) ; W. Sclater, Journ. As. Soc. Beng. Ix. 1891, p. 244. 

 bubalina, Gunth. Bept. Brit. Ind. p. 311, pi. xxiv. flg. E 



(1864) ; Stoliczka, Journ. As. Soc. Beng. xL 1871, p. 441 ; Theob. 



Cat. Bept. Brit. Ind. p. 197 (1876). 



Anterior palatine teeth scarcely larger than the posterior ; 

 anterior mandibular teeth considerably larger than the posterior, 

 Eostral a little broader than deep, just visible from above ; inter- 

 nasals broader than long, a little shorter than the prsefrontals ; 

 frontal slightly longer than broad, as long as its distance from the 

 end of the snout, shorter than the parietals ; one prseooular, ex- 

 tending to the upper surface of the head but not reaching the 

 frontal; two postoculars ; temporals 2 + 3 or 3 + 3; eight upper 

 labials, third, fourth, and fifth entering the eye ; five lower labials 

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

 the posterior. Scales in 21 rows, vertebral row rather strongly 

 enlarged. Ventrals 237-252 ; anal entire ; subcaudals 124-133. 

 Adult uniform green above, the skin between the scales black, uni- 

 form greenish yellow beneath. Young olive, with black cross-bars 

 and a black streak behind the eye ; belly variegated brown and 

 white. 



Total length 1360 milUm. ; tail 340. 



Assam, Cachar, Sikkim, Tenasserim. 



a. i (V. 242 ; 0. 129). .P Dr. Gunther [P.]. 



b. Yg. (V. 237 ; C. ?). Darjeeling. W. T. Blanford, 



Esq. [P.]. 



12. DipsadomorpliTis nigriceps. (Piate III. fig. 3.) 



Dipsas nigriceps, GiintJi. Ann. S; Mag. N. H. (3) xii. 1863, p. 359. 



hoffmanseggii, Peters, Mon. Berl. Ac. 1867, p. 27. 



flaveacens, var., Jan, Icon. Qin. 38, pi. v. fig. 2 (1871). 



Anterior palatine and mandibular teeth moderately enlarged. 

 Rostral broader than deep, just visible from above ; internasals 

 broader than long, shorter than the prsefrontals ; frontal as long as 

 broad or a little longer than broad, as long as its distance from the 

 end of the snout, shorter than the parietals ; loreal as long as deep, 

 or longer than deep ; one prseooular, in contact with or narrowly 

 separated from the frontal; two postoculars ; temporals , very vari- 

 able, 1+2 or 2+3 or 3 + 3; eight upper labials, third, fourth, and 

 fifth entering the eye ; four or five lower labials in contact with 

 the anterior chin-shields, which are considerably shorter than the 

 posterior. Scales in 21 rows, vertebral row strongly enlarged. 

 Ventrals 240-263 ; anal entire ; subcaudals 140-144. Eeddish or 

 greyish brown above, uniform or irregularly mottled with darker; 

 head uniform blackish above ; upper lip white ; lower parts white 

 or greyish, faintly dotted with darker. 



