43 

 I. Acrochordus javanicus Hornst. 



Acrochordus javanicus^ Hornstedt, Abh. Ac, Stockholm VIII 1787, p. 307, pi. XII. 

 Acrochordus Javauicus^ Boulenger, Cat. Sn. I 1893, p. 173. 



No shields on the head, but very small, rough scales, larger 

 near the mouth; 120 — 1 50 scales round the body, dorsals largest. 



Brown or olive above, spotted or marbled with black. Lower 

 surface lighter. Length of head and body 1855 mm.; tail 

 245 mm. ; attains a length of nearly 3 M. 



Nom. indig. Ular belalei gajah (mal.). 



Habitat: Sumatra (Upper Langkat, Indragiri) ; Siak ! ; Java ! 

 (Buitenzorg); Borneo! (Baram district, Sadong river, Sarawak); 

 New Guinea (Mimika river, Lorentz river, Fly river). — Malay 

 Peninsula; Siam ; N. Queensland (rivers of the Gulf of 

 Carpentaria). 



Aquatic, living in ditches and canals. A female in captivity 

 brought forth 27 young ones, which were very active. Feeds 

 on water beetles and fruit. 



2. Chersydrus Cuvier. 



(CuviER, Regne Anim. II p. 75, 181 7). • 



Head not distinct from neck, small, covered with small jux- 

 taposed scales; nostrils on the top of the snout, close together; 

 eye very small; pupil vertically elliptic; teeth almost equal, 

 12 — 15 in each maxillary. Body stout, compressed, covered 

 with small, rhomboidal, juxtaposed scales with a tubercle-like 

 keel, spinose beneath; no ventral shields; a fold of the skin 

 along the middle of the belly. Tail short, compressed, prehensile. 



Distribution. S. E. Asia; Papuasia. 



A single species. 



I. Chersydrus granulatus (Schn.). 



Hydrus granulatus^ Schneider, Hist. Amph. I 1799, p. 243. 

 Chersydrus granulatus^ Boulenger, Cat. Sn. I 1893, p. 174 (s. syn.). 



No rostral; a series of larger shields on the lips, separated 

 from the mouth by a row of very small scales; no chin-shields. 

 About 100 scales round the body, dorsals largest. 



Olive or blackish with lighter transverse bands or annuli, 

 sometimes disappearing in the adult. Length of head and body 

 900 mm.; tail 100 mm. 



Nom indig. Ular kadut (mal.). 



