103 



lower labials in contact with the anterior chin-shields; latter 

 much longer than the posterior. Scales in 23 or 25 rows, smooth 

 or feebly keeled; ventrals 247 — 256 with a lateral angle; anal 

 divided; subcaudals 122— 140. 



Olive or yellowish above, all the scales black-edged or only 

 a few; posteriorly black; a broad blackish lateral band some- 

 times present. Lower surface yellowish anteriorly, blackish 

 with yellow lateral keels posteriorly; subcaudals black, towards 

 the end of the tail yellowish with dark edges. Young speci- 

 mens pale olive anteriorly, with or without small black markings, 

 greyish posteriorly. Length of head and body 1540 mm.; 

 tail 450 mm. 



Nom. indig. Tomesumpu (Toradja-name). 



Habitat: Celebes (Kema, Tomohon, Kottabangu, Manado, 

 Fosso!, Mapane, Luhu, Macassar). 



6. Coluber taeniurus (Cope). 



Elaphis taeniurus^ Cope, Proc. Ac. Philad. i860, p. 565. 

 Coluber taeniurus^ Boulenger, Cat. Sn. II 1894, p. 47 (s. syn.). 



Rostral more broad than deep, visible from above; inter- 

 nasals much shorter than the praefrontals; frontal as long as 

 or shorter than its distance from the tip of the snout, as long 

 as or slightly shorter than the parietals; loreal more long than 

 deep; praeocular large, sometimes in contact with the frontal; 

 often a small subocular; two postoculars; temporals 2 + 2 or 

 2 + 3; nine (eight) upper labials, fifth and sixth (fourth and 

 fifth) entering the eye; five or six lower labials in contact 

 with the anterior chin-shields; latter as long as or longer than 

 the posterior. Scales in 23 or 25 rows, dorsals feebly keeled, 

 outer rows smooth; ventrals 230 — 305, with a lateral angle; 

 anal divided (rarely entire); subcaudals 89 — 114. 



Grey-brown or olive above, with a black network or trans- 

 verse lines anteriorly, a light vertebral stripe between two 

 black bands posteriorly; head and nape uniform; a black band 

 on each side of the head passing through the eye. Lower 

 surface yellowish in front, greyish behind with a black stripe 

 along each side, bordered above by a whitish streak. Length 

 of head and body 1600 mm.; tail 400 mm. 



Habitat: Sumatra (Pajo); Borneo (Braang, Sarawak river, 

 Sadong river, caves of Batu Hapu Pengaron and Barabei!). — 



