35 



Scales in 21 rows; ventrals scarcely differing from the others, 

 244; anal divided; subcaudals 8, 6 undivided. 



Brown above, the scales edged with light; a series of about 

 28 round, light spots on each side of the back, paired or 

 alternating; an interrupted whitish line on the flanks; prae- 

 frontals and frontal each with a light spot ; two small, round 



Fig. 18. A7iovialocliihis tveberi Lidth. 

 Nat. size. Side view and lower view of head. 



spots on the tip of the tail. Lower surface with irregular light 

 spots, placed in pairs or confluent; anal whitish; lower part 

 of tail with a white cross band. 



Type-specimen examined in the Leiden Museum. 



Habitat: Sumatra (Kaju tanam !). 



2. Cylindrophis Wagler. 



(Wagi.er, Icon. Amph., 1828). 



Head small, not distinct from neck, covered with large, 

 symmetrical shields; nostril in a single nasal; no loreal or prae- 

 ocular; a postocular; eye small, distinct from the surrounding 

 shields, with round or vertically elliptic pupil ; praemaxillary 

 toothless; 10 — 12 subequal teeth in each maxillary; mental 

 groove present (fig. 19). Body round, covered with smooth scales in 

 19 — 23 rows; ventrals not or feebly enlarged. Tail short and blunt. 



Distribution. S. E. Asia; Ceylon. 



