upper labials, third to fifth entering the eye; five lower labials 

 in contact with the anterior chin-shields; latter shorter than 

 the posterior. Body slender; scales in 17 rows, all strongly 

 keeled; ventrals 238 — 256, with strong lateral angle; anal 

 divided; subcaudals 155 — 208 pair. 



Dark brown above; yellowish below. Young specimens with 

 yellow transverse bands. Length of head and body 1 180 mm.; 

 tail 590 mm. 



Habitat: Nias; Sumatra (Deli!, Indragiri); Borneo (Kina 

 Balu, Rejang river, Kuching). 



3. Lycodon stormi Bottger. 



Lycodon stormi^ Bottger, Zool. Anz. XV 1892, p. 418. 



Lycodon stormi^ Boulenger, Cat. Sn. I 1893, p. 3575 Proc. Zool. Soc. 1897, 

 p. 219, pi. XII, fig. 3. 



Head much depressed; eye small; rostral just visible from 

 above; internasals much shorter than the praefrontals; frontal 

 as long as praefrontals and internasals together, as long as its 

 distance from the tip of the snout, much shorter than the 

 parietals; loreal a little more long than deep, large, not entering 

 the eye; one praeocular not in contact with the frontal; two 

 postoculars; temporals 1 + 3 + 4 or 3 + 4+4; eight or nine 

 upper labials, third and fourth or third to fifth entering the 

 eye; five lower labials in contact with the anterior chin-shields; 

 latter longer than the posterior. Scales in 19 rows, smooth; 

 ventrals 217 — 231, with a lateral angle; anal entire; subcaudals 

 73—78, single. 



Brown above, with 23 white, black-spotted annuli. Lower 

 surface brown with whitish annuli. Length of head and body 

 585 mm.; tail 135 mm. 



Habitat: Celebes (Buol!). 



4. Lycodon florensis n. sp. 



Head much depressed; eye small; rostral just visible from 

 above; internasals small, suture between them half the suture 

 between the praefrontals; frontal as long as its distance from the 

 tip of the snout, shorter than the parietals; loreal more long than 

 deep, not entering the eye ; two praeoculars, not in contact 

 with the frontal; two (three) postoculars; temporals 2 + 3+4; 

 nine (eight) upper labials, third to fifth (third and fourth) 

 entering the eye; five lower labials in contact with the anterior 



