211 



Type-specimen received from the Indian Museum, Calcutta, 

 examined. 



Habitat: "Malay Archipelago"! (Java?). 

 Only one single specimen known. 



Fig. 8l. Dipsadoides decipiens Annandale. X '74- ^^"^^ view of head. 



50. Chrysopelea Boie. 

 (BoiE, Isis, p. 520, 1827). 



Head distinct from neck; eye large; pupil round. Maxillary 

 teeth 20 — 22, last three longest and grooved; anterior mandi- 

 bular teeth longest. Body long, compressed, covered -with smooth 

 or feebly keeled scales, oblique, with pits, in 17 rows; ventrals 

 with a keel and a notch on each side. Tail long; subcaudals 

 in two rows, keeled and notched. 



Distribution. S. E. Asia. 



The tree-snakes belonging to the genus Chrysopelea are known 

 as Flying-Snakes, because they can suddenly descend from 

 trees, keeping their bodies very rigid. The part of the ventral 

 scales between the lateral keels can be made concave. 



Key to the In do-Australian species. 



A. Three or more dorsal rows of scales feebly keeled; 



subcaudals 146 — 186; ventrals 192 — 221 \. C. rhodopUuron p. 212. 



