DRYOPHIS. 175 



scales smooth, withcafc pits, disposed obliquely, in 15 rows, 

 vertebral row slightly enlarged ; veutrals rounded. Tail long, 

 subcaudals in two rows. 



South-Eastern Asia. Two species in the Malay Peninsula. 

 ^Essentially arboreal and ovo viviparous. 



191. Dryophis prasinus. 



Boie, Isis, 1827, p. 545 ; Bouleng. Faun. Brit. Ind., Rept. p. 369 

 (1890) ; id. Oat. Sn. iii, p. 180 (1896) ; S. Flower, P.Z. S. 1896, 

 p. 890, aud 1899, p. 682. 



Dn/inus prasinus, part., Cautor, Journ. Asiat. Soc. Bengal, xvi, 

 p. 928 (1847). 



TrcKjops prasinus, Gantli. Rept. Brit. lud. p. 303 (1864). 



Malay names, Ular pucholc and ular claim. 



Snout acutely pointed, projecting, rather more than twice as 

 long as the eye. Interuasals usually in coutact with the labials ; 

 1 to 4 small loreals between the praefrontal and the labials ; frontal 

 as long as or a little longer than its distance from the end of the 

 snout, a little longer than the parietals ; one prseocular, in contact 

 with the frontal ; "2 postoculars ; temporals 2 + 2 or 3 + 3, rarely 

 1 + 2; 9 upper labials, fourth, fifth, and sixth entering the eye ; 

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

 are shorter than the posterior. Scales in 15 rows, usually faintly 

 keeled on sacral region. Ventrals 194-235 ; anal divided (rarely 

 entire) ; subcaudals 154-207. Bright green, pale olive, or grey- 

 brown, with a yellow line along each side of the lower parts ; 

 interstitial skin of the neck black and white. 



Total length 1790 miUim.; tail 600. 



Eastern Himalayas and Indo-Chiua to Malay Peninsula and 

 Archipelago. Very common and generally distributed in the 

 Malay Peninsula. Some specimens are gentle, whilst others are 

 snappish or even fierce. This snake feeds chiefly on lizards and 

 frogs, which it paralyses by the poison injected through the 

 grooved posterior fangs. 



192. Dryophis xanthozona. 



Boie, Isis, 1827. p. 545 ; Bouleng. Oat. Sn. iii, p. 180 (1896). 

 Dryinus prasinus, part., Cautor, Journ. Asiat. Soc. Bengal, xvi, 

 p. 928 (1847). 



Malay name, Ular Icunyet. 



Distinguished from the preceding by the somewhat shorter 

 snout, and fewer shields below. Ventrals 186-195 ; anal entire 

 (rarely divided); subcaudals 115-156. 



Total length 1080 miUim. ; tail 410. 



Java. Obtained in Penang by Cantor, aud in Trang (Western 

 Siamese Malay States) by Messrs. Eobiuson aud Kloss. 



