242 ZOOLOGISCHE MEDEDEELINGEN — DEEL VI. 



Vernacular naine : nia paku. 



a. Scales in 15 rows,, ventrals 177, anal divided, subcaudals 168/168. 

 One prae- and 2 postoculars, temporals 2 + 2 ; 9 supralabials, 

 4th ? 5th and 6tli entering the eye. 



b. Scales in 15 rows, ventrals 180, anal divided, subcaudals 158/158. 

 One prae- and 2 postoculars; temporals: 1 -f- 1 on the right, 2 -f- 1 

 on the left side ; 9 supralabials, on the right side 5th and 6th ? on 

 the left side 4th, 5th and 6th entering the eye. 



c. Scales in 15 rows, ventrals 174, anal divided, subcaudals 143/143. 

 One prae- and 2 postoculars ; temporals : 2 + 2 on the right, 1+2 

 on the left side. On the right side, 8 supralabials, 4th and 5th 

 entering the eye; on the left side 9 supralabials, 4th ? 5th and 6th 

 entering the eye. 



7. Dendrelaphis caudolineatus (Gray). 



One specimen from Balun (Muara Labu), Padaiig Highlands, Till, 1914. 

 Scales in 13 rows. Ventrals 179, anal divided, the end of the tail 

 missing. 



8. Zaocys fuscus (Gthr.). 



One specimen from Serapai, Korintji, VII, 1915. 



Scales in 16 rows, ventrals 185, anal divided, subcaudals 91/91 +. 



Internasals as long as praefrontals ; frontal as long as praefrontals and 

 internasals together, shorter than the parietals. Three loreals: a large 

 one touching the nasal, followed by two superposed ones, the upper one 

 being in contact with the praeocular. One large praeocular; a small sub- 

 ocular. Touching the 4th and the 5th supralabial. ISme supralabials, the 

 5th and 6th entering the eye. Two postoculars ; temporals 2 + 2 but on 

 the right side : the first upper one divided into two small ones, situated 

 one behind the other. 



Five lower labials in contact with the anterior chinshields, which are 

 shorter than the posterior ones. 



9. Zaocys carinatus (Gthr.). 



A large specimen (total length 2.54 M v tail 0.59 M.) from Tanangtalu, 

 (Ophir districts), Padang Highlands, V, 1915. 



Scales in 16 rows, ventrals 204, anal divided, subcaudals 120/120. 

 Three loreals; the scales of the two median rows keeled. 



10. Tropidonotus tricing idigerus Boie. 

 One specimen from Andalas (Tandjung), Padang Highlands, V, 1914. 



