II. 



1913. 



1 spec. 



III. 



1913. 



1 spec. 



IY. 



1913. 



1 spec. 



VIII. 



1913. 



1 spec. 



23. VIII. 



1913. 



2 spec. 



's RIJKS MUSEUM VAN NATUURLIJKE HISTORIE — LEIDEN. 229 



30. Dipsadomorphus nigriceps (Gthr.). 



Sinabang 



Lugu 



Lasikin 



Laulo 



Sibigo 



Spread over the whole of the island. Some of the specimens are 

 uniformly greyish-brown, throat yellow, lower surface olive ; others are 

 reddish, speckled with black and with some round black spots on the 

 back anteriorly. 



31. Psammodynastes pictus Gthr. 



Sibigo VIII. 1913. 1 spec. 



Seems to be rare on the island. 



32. Bryophis prasinus Boie. 



Sinabang 





II. 1913. 



5 spec. 



w 





III. 1913. 



1 spec. 



W 





IV. 1913. 



2 spec. 



Lugu 





II. 1913. 



1 spec. 



55 





III. 1913. 



2 spec. 



Lasikin 





IV. 1913. 



1 spec. 



Sibigo 



31. 



VIII. 1913. 



2 spec. (1 juv.), 



Nom. indig. Sawah lèul. 



Common throughout the archipelago. Among this collection young 

 specimens, half-grown and full-grown are present. One of the last men- 

 tioned reaches a length of 1910 mm. 



33. Naja bungarus Schleg. 



Sinabang III. 1913. 2 spec. (juv.). 



Lasikin IV. 1913. 1 spec. 



Busung IV. 1913. 1 spec. 



Both young specimens are black with narrow yellow oblique lines; 

 on the nape a broad yellow transverse band; on the head four yellow 

 transverse bands, consisting of round and oval spots, one across the 

 parietals, a second across the supraoculars and the frontal, a third across 

 the praefrontals and the fourth across the rostral and nasals. Chin and 

 throat yellow; ventrals and subcaudals yellow with blackish borders. A 



