ii8 



scales. Tympanum distinct. A slight dorsal crest. A gular 

 sac; no fold across the throat; no fold in front of the shoulder. 

 No praeanal or femoral pores. 

 Distribution. Sumatra; Java. 



Key to the Indo-Australian species. 



A. Lateral scales equal, smaller than dorsals; limbs 



long I. Z>. boiikngeri^ p. ii8. 



B. Lateral scales unequal, larger than dorsals; limbs 



short 2. D. fruhstorferi^ p. iig. 



I. Dendragama boulengeri Doria. 



Dendragatna Boulengeri^ Doria, Ann. Mus. Civ. Geneva (2) VI 1888, p. 649 

 Taf. VIII fig. I. 



Head quadrangular with sharp canthus rostralis; snout one time 

 and a half to two times as long as the diameter of the eye; 

 tympanum smaller than the eye. From snout till halfway the 



Fig. 52. Dendragama boulengeri Doria. 



ocular region a series of large strongly keeled scales. Nostril 

 in an oval scale, separated from the rostral, which is small ; 

 a smooth supranasal. Behind the supraciliary edge a short 



