it4 



loreal more long than deep; one prae- and two postoculars; 

 temporals 2 + 2; eight upper labials, third to fifth entering 

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

 shields; latter as long as the posterior. Scales in 17 rows; 

 ventrals 241; anal divided; subcaudals 193. 



Brown above; white below. Length of head and body 

 910 mm.; tail 570 mm. (After BOULENGER; not seen by me). 



Habitat: Borneo (Kuching, Sarawak). 



22, Stegonotus Dum. & Bibr. 



(DUMERiL & BiBRON, Mem. Ac. Sc. XXIII p. 477, 1853). 



Head distinct from neck; eye moderate or small; pupil verti- 

 cally elliptic. Maxillary teeth 15 — 20, increasing in size to the 

 median ones; two or three last large; anterior mandibular teeth 

 enlarged. Body long, round or a little compressed, covered 

 with smooth scales with pits, in 15, 17 or 19 rows; ventrals 

 with an obtuse lateral angle. Tail rather long; subcaudals 

 single or in two rows. 



Distribution. Philippines; Moluccas; New Guinea; Queensland. 



Key to the I n d o-A u st r ali a n species. 



A. Scales in 19 rows i. ^. magnus p. 114. 



B. Scales in 17 rows. 



I. Two labials entering the eye 2. 5. modestus p. 115. 



II. Three labials entering the eye. 



a. One praeocular 3- •^- l>atjanensis p. 116. 



b. Two praeoculars 4- ■^- plumbcus p. 117. 



C. Scales in 15 rows. 



1. One anterior temporal; eight upper labials, fourth 

 and fifth entering the eye; loreal twice as long 



as deep; ventrals 180—197 5- •''■ S>'ii'thcri p. 117. 



2. Two anterior temporals; seven upper labials, third 

 and fourth entering the eye; loreal not quite one 



time and a half as long as deep; ventrals 167 — 183. 6. S. dicJili p. 118. 



I. Stegonotus magnus (Meyer). 



Lycodon magnus^ Meyer, Mon. Berl. Akaci. 1874, p. 136. 



Stegonotus magnus^ v. I.idth de Jeude, Nova Guinea IX, Zool. 2 191 1, p. 273. 



Rostral more broad than deep, wedged in between the inter- 

 nasals; latter half as long as the praefrontals; frontal slightly 



