558 



VIPERID^. 



21 rows. Ventrals 180-191 ; anal entire ; subcaudals 58-82. 

 Tail prehensile. Bright green above, the scales usually blaok-edged, 

 with or without black cross-bands ; two series of small whitish spots 

 may be present along the back ; a more or less distinct whitish 

 or yellow streak usually present on each side, along the outer 

 row of scales ; ventrals yellowish or green, with or without fine 

 black edges ; end of tail red. 



Total length 1100 millim. ; tail 180. 



Singapore, Sumatra, Borneo, Palawan. 



a, b. $ (V. 187 ; 0. 69) & Singapore. Dr. Dennys [P.]. 

 hgr. cJ (V.]80;C.77). 



c. cJ (V. 180; C. 76). Deli, Sumatra. Mr. Iversen [0.1. 



d. Yg. (V. 186; C. 67). E. Coast of Sumatra. Mrs. Findlay [P.l. 

 e-h. S (V. 189 ; 0. 72) & Nias. Hr. Sundermann [0.1 



S (V. 190, 191, 188; 



66,66,63) 

 i. Yg. (V. 187 ; C. 58). Mt. Dulit, Sarawak. C. Hose, Esq. [C.l. 

 k. Yg. (.v. 187; 0. 82). Palawan. A. Everett, Esq. [C.]. 



28. Lachesis anamallensis. 



? Trigonocephalus (Cophias) malabaricus, Jerdon, Journ. As. Soc. 



Seriff. xxil 1854, p. 623. 

 ? Trigonocephalus (Oophias) wardii, Jerdon, I.e. ■p. 624. 

 Trimeresurus anamallensis, Oiinth. Rept. Brit. Ind. p. 387, pi. xxiv. 



fig. C (1864) ; Fayrer, Thanatoph. Ind. pi. xiv. (1874) ; Theob. 



Cat. Rept. Brit. Ind. p. 220 (1876) ; F. Mull. Verh. Nat. Ges. 



Basel, vii. 1884, p. 290 ; Boideng. Faun. Ind., Rept. p. 430 (1890) ; 



Boettg. Ber. Offenb. Ver. Nat. 1892, p. 92. 



Eostral slightly broader than deep ; nasal entire ; upper head- 

 scales small, smooth or obtusely keeled, imbricate ; supraocular 

 shield rather large, broken up into two or three ; internasals in 

 contact or separated by one scale ; 7 to 9 scales on a line between 

 the supraoculars ; two or three postoculars and a subocular ; the 

 latter shield separated from the fourth and succeeding labials by 

 two rows (rarely one) of scales ; 9 or 10 upper labials, second 

 forming the anterior border of the loreal pit, third largest; temporal 

 scales obtusely keeled. Scales feebly keeled, in 21 (rarely 19, 

 spec, i) rows. Ventrals 138-158 ; anal entire ; subcaudals 44-58 

 pairs. Tail prehensile. Green, olive, yellowish, or reddish brown 

 above with more or less well-defined black or reddish-brown spots ; 

 usually a series of yellow spots along each side of the belly, and a 

 black temporal band ; lower parts pale green, olive or yellow, or 

 brown with yellow spots ; tail usually black and yellow. 



Total length 730 miUim. ; taU 110. 



Anamallay and Nilgherry hills, S. India. 



a-b, 0, d, e,f, g. S (V. 168, AnamaUays. Col. Beddorae [C.]. 



148; C. 50, 56), 2 (V. (Types.) 



160, 145, 149 ; 0. ?, 53, 

 51),&yg. (V. 143, 149; 

 C. 49, 47). 



