2oS 



edged band in the middle, a white streak on each side. Length 

 of head and body 900 mm.; tail 500 mm. 



Type-specimen examined in the British Museum. 



Habitat: Sumatra (S. Atjeh, Labuan, Deli!, Padang 

 1500 — ^3000 feet); Natuna Islands!; Borneo (Baram river, 

 Kuching, S. E. Borneo!). 



4. Dryophis mycterizans (L.). 



Coluber mycterizans^ Linne, Mus. Ad. Frid. 1754, p. 28, pi. V, fig. i ; pi. XIX, fig. 2. 

 Dryophis mycterizans^ Boulenger, Cat. Sn. Ill 1896, p. 182. 



Snout pointed, projecting, ending in a dermal appendage 

 formed by the rostral and shorter than the eye; snout without 

 the appendage twice or more the diameter of the eye; inter- 

 nasals and praefrontals in contact with the labials; no loreal; 

 frontal as long as the parietals or a little longer, in contact 

 with the praeocular; two praeoculars; a subocular, or one 

 praeocular and two suboculars; two postoculars; temporals 

 1 + 2 or 2 + 2; eight upper labials, fifth entering the eye; 

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

 latter shorter than the posterior. Scales in 15 rows; ventrals 

 172 — 203; anal divided; subcaudals 140 — 174. 



Green or pale brown above, the skin of the neck between 

 the scales black and white; a yellow line on each side. Length 

 of head and body 940 mm.; tail 560 mm. 



Habitat: Java!. — Siam; Burma; Ceylon; India. 



48. Dryophiops Boulenger. 



(Boulenger, Cat. Sn. Ill p. 193, 1896). 



Head distinct from neck, with distinct canthus rostralis; eye 

 large; pupil horizontal; nasal entire; frontal narrow. Maxillary 

 teeth 20, subequal, the last two or three slightly enlarged and 

 grooved; anterior mandibular teeth enlarged. Body slender, 

 compressed, covered with smooth scales, in 15 rows, oblique, 

 with pits; ventrals with a keel and a notch on each side. 

 Tail long; subcaudals in two rows, keeled and notched like 

 the ventrals. 



Distribution. S. E. Asia. 



A single species. 



