SNAKES. 159 



the two foremost are simple, the third, fourth and fifth divided, 

 the sixth very long, forming the lower edge of orbit, the seventh 

 and eighth elongate ; temporal shields scale-like. Scales (on the 

 back) keeled, on the sides elongate, very imbricate, those of the 

 vertebral and outer rows larger, rhomboid ; anal bifid. Anterior 

 teeth in both jaws longer and in a rather widely interrupted series. 

 Habit as generally in Dryiophis; colours as above described. 

 Length of head If; length of tail 10$-"; total length 3'. 



7. Dryiophis prasina. 



Dryiophis prasina, Reinwardt, Tijclschrift voor Natuurkundige, 

 p. ; Boie, Isis, 1827, p. 545; Schleg. Ess. pi. 10. f. 9-13, and 

 Abbildg. t. 8. f. 1-6. Dryinus nasutus, Bell, Zool. Journ. ii. 

 p. 327. Tragops nasutus, Wagl. Syst. Amph. p. 184. Tragops 

 prasinus, Dum. 4' Bibr. vii. p. 824. 



Scales smooth; rostral shield above with a rather sharp, 

 convex ridge, not produced backwards ; fourth, fifth and sixth 

 upper labials reaching the orbit ; one to three loreal shields. 

 Above green (in spirits bluish) ; on the sides a well-defined yellow 

 or white longitudinal stripe. 



a. Adult. China. 



b. Adult. Bengal. Presented by General Hardwicke. 



c. Adult : bleached. Bengal. Presented by General Hardwicke. 



d. Adult. Mergui. Presented by Prof. Oldham. 



e. Adult. Sumatra. From Sir S. Raffles's Collection. 



/. Adult : bad state. Java. Presented by J. Bowring, Esq. 



g. Adult. Borneo. From Mr. Lowe's Collection. 



h. Adult. Borneo. Presented by Captain Sir E. Belcher. 



i. Adult : fine specimen. Borneo. Presented by W. Winstone, 



Esq. 

 jfc. Adult. Borneo. Presented by Captain Sir E. Belcher. 

 I. Half-grown. Borneo. From Mr. Lowe's Collection. 

 m. Adult. Celebes. From the Leyden Museum. 

 n. Adult. Philippines. From Mr. Cuming's Collection, 

 o. Half-grown. Philippines. From Mr. Cuming's Collection. 

 p. Adult. India. 



q. Adult : bad state. India. Presented by Captain Stafford. 

 r-t. Adult : bad state. India. From Mr. Warwick's Collection. 

 u. Adult. India. Presented by Sir James MacGregor. 

 v. Half-grown. Carthagena. From Paris as D.frigidus (?). 

 w. Half-grown. West Indies. From Mr. Luna's Collection. 

 x-z. Adult. East Indies. Presented by Mrs. John Crosley. 

 a. Adult : bleached. East Indies. Old Collection. 

 0. Half-grown. East Indies. From the Haslar Collection. 



