6 7 



shields; latter shorter than the posterior. Scales in 13 rows, 

 vertebrals smaller than the outer; ventrals 176 182; anal 

 divided; subcaudals 160 168. 



Olive-green above; head and neck darker; labials yellowish- 

 white ; a dark band behind the eye on the upper labials. Lower 

 surface light olive-green with irregular smaller and larger spots ; 

 throat yellowish. Length of head and body 460 mm.; tail 240 mm. 



Type-specimens examined in the Leiden Museum. 



Habitat: New Guinea (Lorentz river!). 



12. Dendrelaphis Boulenger, 



(BOULENGER, Fauna Ind. Rept. p. 339, 1890). 



Head long, distinct from neck ; eye large ; pupil round. 

 Maxillary teeth 18 23, anterior maxillary and mandibular teeth 

 longest. Body long, compressed, covered with smooth scales 

 with pits, in 13 or 15 rows, disposed obliquely, the vertebral 

 row not or a little enlarged ; ventrals with a lateral keel and 

 notch. Tail long; subcaudals in two rows, keeled and notched 

 like the ventrals. 



Distribution. India; Ceylon; Burma; Malay Peninsula to 

 New Guinea. 



Key to the ind o- A ustralian species. 



A. Scales in 15 rows I. D. inornatus p. 67. 



B. Scales in 13 rows. 



I. Eye longer than its distance from the nostril. 2. D. caudolineatits p. 68. 

 II. Eye as long as its distance from the nostril. 



1. Ventrals 167 182; black lines along the 



body and tail; nine upper labials 3. D. terrificus p. 69. 



2. Ventrals 185 190; no black lines along the 



body and tail; eight upper labials 4. D. papuensis p. 70. 



3. Ventrals 185 193; no black lines along the 



body and tail; nine upper labials 5. A modes f us p. 70. 



i. Dendrelaphis inornatus Boulenger. 



Dendrelaphis inornatus, Boulenger, Ann. Nat. Hist. (6) XIX 1897, p. 507. 



Eye as long as or shorter than its distance from the nostril. 

 Rostral more broad than deep, visible from above; internasals 

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

 from the tip of the snout, shorter than the parietals; loreal 



