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 



J.T: Otl.es. 



Fig. 18. Aiionialochihcs weberi Lidtli. 

 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. 



