6. POITODONTOPHIS. 185 



0-g. d (V. 166; C. 118), 5 Khasi ffiUs. T. C. Jerdon, Esq. [P.]. 



(Y. 177, 174; C. 125, 106), 



& hgr. (V. 174, 165 ; 0. ?, 



131). 



h. S (V. 179 ; C. 102). Darjeeling. W. T. Blanford, Esq. [P.]. 



i. 2 (V. 180 ; C. 110). Nepal. B. H. Hodgson, Esq. [T.J. 



k. S (V. 159 ; C. ?). Himalayas. Col. Beddome [0.]. 



I. d (V. 168 ; C. 1:J1). Burma. Col. Beddome 1 0.]. 



m. d (V. 175 ; U. 111). Burma. W. Theobald, Esq. [0.].^ 



n. 2 (V. 187; C. ?). Ichang, Upper A. E. Pratt, Esq. [C.]. 



Yang-tse- (Type of A. sinensis.) 

 Kiang. 



0. $,ske]. Darjeeling. W. T. Blanford, Esq. [P.]. 



6. Folyodontophis geminatus. 



Coluber geminatus, Boie, Isis, 1826, p. 211. 



Lycodon melanocephalus, Ch-at/, III. Ind. Zool. ii. pi. Ixxxiii. fig. 2 



catenatus, Gray, I. c. pi. ixxxv. fig. 2. 



Herpetodryas geminatus, Schleg. Phys. Serp. ii. p. 194 (1837). 



prionotus. Cantor, Proc. Zool. Sac. 1839, p. 52. 



Enicognathus geminatus, Dum. 8f Bibr. vii. p. 333 (1854); Jan, 



Arch. Zool. Anat. Phys. ii. 1863, p. 277, and Icon. O&n. 16, pi. iv. 



fig. 2 (1866). 

 Ablabes melanocepbalus, Giinth. Cat. p. 28 (1858), and Rept. Brit. 



Ind. p. 229 (1864), and Proc. Zool. Soc. 1872, p. 590. 



geminatus, Giinth. Cat. p. 29. 



Enicognathus javanicus, Bleek. Nat. Tijdsehr. Nederl. Ind. xvi. 1859, 



p. 437 ; Edeling, op. cit. xxxi. 1870, p. 386. 

 ornatus, Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 276, and Icon. 



Gen. 16, pi. iii. fig. 5, and N. Arch. Mus. ii. 1866, Bull. p. 8. 

 Ablabe^ (Enicognathus) flaviceps, Giinth. Ann. ^ Mag. N. H. (3) 



xviii. 1866, p. 26, pi. vi. fig. B ; Stoliczka, Journ. As. Soc. Beng. 



xlii. 1873, p. 123. 

 (Coronella) ornatus, Fischer, Abh. naturw. Ver. Samb. ix. 



1886, p. 8. _ 

 Polyodontophis melanocephalus, Bouleng. Faun. Ind., Rept. p. 301 



(1890); Boettg.Ber. Offenh. Ver. Nat. 1892, p. 127. 



Eostral twice as broad as deep, just visible from above ; suture 

 between the internasals shorter than that between the prsefrontals ; 

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

 than the parietals ; loreal as long as deep or a little deeper than 

 long; one prEeocular; two postoculars, both in contact with the 

 parietal; temporals 2+2; nine upper labials, fourth, fifth, and sixth, 

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

 chin-shields, which are as large as the posterior. Scales in 17 rows. 

 Ventrals 144-169 ; anal divided ; subcaudals 89-145. Brown or 

 blackish above, with two lighter longitudinal streaks ; upper lip with 

 a white, black-edged streak ; lower parts yellowish, with a black 

 dot or spot at the outer end of each ventral or subcaudal shield. 



Total length 410 millim. ; tail 155. 



Siam, Malay Peninsula, Sumatra, Borneo, Java. 



