188 COLTJBRID^. 



subcaudals 56-70, Yellowish or pale brown above ; sides brown 

 or grey, separated from the pale dorsal region by a black line ; a 

 vertebral series of minute black dots ; head and nape dark brown 

 or black, forehead marbled with yellow, and with a large elongate 

 oval patch of yellow on each side of the back of the head ; the 

 black nuchal spot more or less distinctly bordered with yellow 

 behind. Lower surfaces yellow, with a black dot at the outer 

 extremity of each ventral. 



Total length 280 millim. ; tail 60. 



West Himalayas, Bengal, Assam, Pinang. 



a. 2 (V. 228; C. 64). Chamba, W. Hima- 3Iessrs. v. Schlagin- 



laya. tweit [C.]. 



b. S (V. 213; C. 70). Pinang. Dr. Canto". 



c-/. Hgr. & yg. (V. 215, 205, ? Gen. Hardwicke 



212,209; C. 68, 64, 64, [P.]. 



57). 



fj-Ji. 2 (V. 222, 201; C. ? 



m, 67). 



9. Polyodontophis bistrigatus. (Piate XII. fig. 2.) 



Ablabes bistrigatus, Giinth. Ann. 8f Mag. N. H. (4) i. 1868, p. 417 ; 



Theob. Journ. Linn. Soc. x. 1868, p. 42, and Cat. Rept. Brit. Ind. 



p. 155 (1876) ; Anders. An. Zool. Res. Yunnan, Rept. p. 811 



(1879). 

 Polyodontophis bistrigatus, Bouleng. Faun. Ind., Rept. p. 304 (1890) ; 



W. L. Sclater, Journ. As. Soc. Beng. Ix. 1891, p. 234. 



Rostral not twice as broad as long, the portion visible from above 

 measuring two fifths its distance from the frontal ; sutiire between 

 the internasals shorter tban that between the prsefrontals ; frontal 

 longer than its distance from the end of tbe snout, shorter than 

 the parietals ; loreal as long as deep or longer than deep ; one prse- 

 ocular, two postoculars, both in contact with the parietal ; tem- 

 porals 1 (or 2) + 2; 10 upper labials, fourth, fifth, and sixth 

 entering the eye ; eighth upper labial usually excluded from the 

 labial margin, assuming the position of a lower anterior temporal ; 

 four lower labials in contact with the anterior chin-shields, which are 

 as long as the posterior. Scales in 17 rows. Yentrals 184-186 ; 

 anal divided; subcaudals 73-75. Back ruddy brown, with a 

 vertebral series of black dots; head and nape black, emitting a 

 black band running on each side of the body and tail ; a yellow 

 band on each side of the head, sending off" a hook on each supra- 

 ocular shield, and a pair of yellow spots on the nape. Lower 

 surfaces uniform yellow. 



Total length 300 millim. ; tail 80. 



Burma, Nicobars. 



a. S (V. 184 ; 0. 75). Pegu. W. Theobald, Esq. [0.]. 



(TjTe.) 



b. $ (V. 186 ; 0. 73). Biu-ma. Col. Beddome [C.]. 



