46 



nasals very narrow; praefrontals large, separated from the 

 frontal and supraoculars by a series of scales; frontal more 

 broad than long, shorter than the parietals; supraocular very 

 small; eye prominent, with vertically elliptic pupil, bordered 

 by the supraocular, two or three praeoculars, the fifth labial ^) 



and 7 or 8 small 

 scales; nostrils large; 

 loreal more long than 

 deep; ten upper labi- 

 als, last two longest; 

 temporals small; a 

 pair of small chin- 

 shields in contact with 

 three lower labials. 

 Scales in 30 rows, lar- 

 Fig. 26. StoUczkaia hornceiisis Blgr. gest on the vertebral 



After a fisuie from Boulenger published by Hanilsch. . j ^^ . t-u^ 



^ & *- / region and near the 



ventrals; those between them small and separated by naked 



skin; ventrals 21O; anal entire; subcaudals 124. 



Rufous, with large blackish spots, as large as the space 

 between them or larger, disposed in three longitudinal series. 

 Lower surface brown, the shields edged with a yellowish colour. 

 Length of head and body 510 mm.; tail 240 mm. (After 

 BoULENGER; not seen by me). 



Habitat: Borneo (Mt. Kina Balu 4200 feet). 



Subfamily Colubrinae. 

 Key to the Indo-x\ustralian genera. 



A. Nostrils directed upwards. 



1. Internasals absent; loreal present; maxillary and 



mandible with 5 or 6 solid teeth; scales in 19 rows. 5. Anoplohydnis p. 49. 



2. Internasals small, trapezoid; loreal absent; maxil- 

 lary, palatal and mandibular teeth with spatulate 

 crowns, ribbed along the outer side, 23 in each 



maxillary; scales in 19 rows 6. Ts^tianognathus p. 50. 



3. Internasals small, triangular or crescentic; loreal 

 present; maxillary teeth small, equal, 20 — 25; 



scales in 17 or 19 rows 7- Opisthotropis p. 51. 



4. Internasals and loreal present; maxillary teeth 

 eciual, 19 or 20; scales in 19 rows 



8. Xenochrophis p. 53. 



l) The species is figured with a series of suboculars, see fig. 26. 



