528 VIPERID^. 



angle of the mouth, with a light band above it ; j'ellowish beneath, 

 uniform or powdered or spotted with greyish brown. 



Total length 810 miUim. ; tail 90. 



Java. 



a. Hgr. c? (V. 148 ; 0. Java. Leyden Museum. 



61). 

 i-c. c? {V. 145 ; 0. 46) Java. A. Scott, Esq. [P.]. 



& hfrr. 5 (V. 143; 



C. 34). 

 d. $ (V. 156 ; C. 36). Java. 

 e-q. S (V. 148 ; 0. 50) Batavia. R. Kirkpatiiok, Esq. 



■& $ (V. 154, 157; [P.]. 



C 34 371 

 A. c? (V. 149 ; C. 48). Willis Mts., Kediri, Java, Baron v.Huegel[C.]. 



5000 ft. 

 i. i (V. 148 ; 0. 50). Siam (?). 



10. Ancistrodon hypnale. 



Sxtssell, Ind. Sei-p. ii. pi. xxii. C1801). 



? Coluber nepa, Law. 8yn. Rept. p. 97 (1768). 



Cophias hypnale, Merr. Tent. p. 155 (1820). 



Trigonocepnalus hypnale, Schleg. Phys. Serp. ii. p. 650, pi. xx. 



figs. 6 & 7 (1837) ; Gray, Cat. p. 16 (1849) ; Bum. ^ Bibr. vii. 



p. 1498 (1854) ; Jan, Icon. Gin. 46, pi. v. figs. 2 & 3 (1874). 

 Trimesurus ceylonensis, Gray, Zool. Misc. p. 48 (1842). 

 Trigonocephalus halys. Gray, Cat. p. 14. 



zara, Gray, I. c. p. 15. 



Hypnale nepa, Cope, Proc. Ac. Philad. 1859, p. 335 ; Giinth. Rept. 



Brit. Ind. p. 394 (1864) ; Fayrer, Thanatoph. Ind. pi. xvii. (1874); 



Tkeob. Cat. Rept. Brit. Ind. p. 226 (1876). 



afiinis, Anders. Journ. As. Soc. Beng. xl, 1871, p. 20. 



Ancistrodon hypnale, Bouleng. Faun. Ind., Rept. p. 424 (1890). ' 



Snout more or less turned up at the end, with sharp canthus. 

 Eostral as deep as broad, or deeper than broad; upper surface 

 of snout covered with small shields, which are often irregular 

 and scale-like ; one or two postoculars and one or two sub- 

 oculars ; 7 or 8 upper labials, second entering the loreal pit, none 

 entering the eye. Scales more or less distinctly keeled, in 17 

 rows. Ventrals 125-155 ; anal entire ; subcaudals 28-45 pairs. 

 Coloration very variable ; upper parts brown, yellowish, or greyish, 

 uniform or with blackish-brown alternating spots or cross-bands, 

 frequently with small deep-black spots disposed in pairs ; sides of 

 head usually dark brown, edged above with a line whitish line ; 

 sometimes a white, black-edged, longitudinal streak on each side of 

 the neck ; belly more or less closely powdered with dark brown. 



Total length 480 millim. ; tail 65. 



Ceylon, and Western Ghats of India as far north as Bombay. 



a. S (V. 149; 0. 43). Ceylon. Sir J. Banks [P.]. 



h. ? (V. 162; 0.36). Ceylon. R. Templeton, Esq. 



[P.]. 



