57 



nasals shorter than the praefrontals; frontal as long as or 

 longer than its distance from the tip of the snout, shorter 

 than the parietals; loreal more deep than long; two or three 

 prae- and three postoculars; temporals 2 + 2 or 2 + 3; eight 

 upper labials, fourth and fifth entering the eye ; four or five 

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

 and the posterior pair about equal and broad. Scales in 19 rows, 

 dorsals keeled, laterals smooth ; ventrals 1 1 8 — 1 2 1 ; anal divided ; 

 subcaudals 2^ — 41. 



Olive-brown above ; lower surface yellowish or brownish, 

 speckled with dark brown; a light streak on each side. Young 

 ones with a A -shaped black band on the nape. Length of 

 head and body 400 mm. ; tail 70 mm. 



Type-specimen examined in the Leiden Museum. 



Habitat: Java!. 



II. Dendrophis Boie. 



(BoiE, Isis, p. 520, 1827). 



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

 Maxillary teeth 20 — 33, posterior enlarged ; anterior mandibular 

 teeth longest. Body long, compressed, covered with smooth 

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

 vertebral row enlarged ; ventrals with a lateral keel and notch. 

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

 the ventrals. 



Distribution. S. E. Asia ; Australia. 



Key to the Indo-Australian species. 



A, Eye not longer than its distance from the nostril 5 

 maxillary teeth 20 — 26. 



I. Scales in 15 rows \. D. picttis p. 58. 



II. Scales in 13 rows. 



a. Ventrals 174 — ^211; a dark streak on each 



side of the head z. D. calligaster p. 60. 



b. Ventrals 159 — 163; a dark streak on each 



side of the head 3- -^. lorcnlzi p. 62. 



c. Ventrals 191 — 220; no dark streak on the 



sides of the head 4. Z*. punclnlalus p. 63. 



B. Eye usually longer than its distance from the 

 nostril; maxillary teeth 27 — 33. 



