( 198 ) 



nearly reaching to the vertical. Two postoculars. 8 low upper 

 labials, the third, fourth, and fifth entering the orbit, and very 

 low. Colour reddish olive, dotted and spotted with brown and 

 black, in longitudinal and transverse rows. A row of white 

 spots along either side of beUy, a black spot below each white 

 one. Head symmetrically ornamented with white-edged black 

 spots. Belly marbled with purple and brown dotted. 



Grows to 57 inches. (Tail 15.) 



Inhabits Bengal ? (Hardwicke's collection), and Borneo 

 (Labuan). 



A rare species, very doubtfully Indian. 



D. Forsteni, D. et B. 



Scales in 25 to 27 rows, with a broad apical groove. Anal 

 entire. Nostril rounded just below the prsefrontal, the hinder 

 margin of the posterior nasal swollen, forming a ridge. Loreal 

 squarish. One prseocular. Two postoculars. 9 upper labials, the 

 third, fourth and fifth entering the orbit. The third some- 

 times divided. Colour brownish olive. Many scales, black, at the 

 base, forming descending transverse bands, rather broken below 

 into spots. A median black line along the occiput and nape. A 

 short black band on the side of neck and another from eye to 

 the gape. 



Grows to 61 inches. ,(Tail 13.) 



Inhabits Ceylon, the AnamaUay Hills, Bandelkand, Maunbhum, 

 and Dumerkunda at Pankabari in Sykkim, in Bengal. 



Anderson says that Ceylon specimens are brighter coloured, 

 and the labials have black margins. The ventrals too are later- 

 ally spotted and on the posterior part of body finely punctulated 

 with black. The sub-caudals finely margined with brown. 

 (Proc. Zool. Soc, Lon., Feb. 1871.) 



Family LTCODONTiDyE. 



Body moderate. Head somewhat elongate and depressed. 

 Eye small with vertical pupil. Maxillary with a fang in front, 

 but no posterior grooved tooth. 



