230 



ZOOLOGISCHE MEDEDEELINGEN — DEEL VI. 



row of yellow spots on the outer row of scales. The large specimen from 

 Busung measures 3.12 M. (tail 70 cm.); the smallest from Sinabang 501 mm. 



).r. uttes.. 



34. Lachesis sumatramis (Raffles). 



Sinabang 



1912. 



1 spec. Dr. Riegen leg. 



ii 



II. 1913. 



2 spec. (juv.). 



ii 



III. 1913. 



2 spec. (1 juv.). 



n 



VII. 1913. 



1 spec. 



Salur 



Y. 1913. 



1 spec. 



Sibigo 



VIII. 1913. 



1 spec. 



Nom. indig. Bïrït tiu. 



The color is olive-green above, olive or yellowish below; the yellow 

 lateral streak sometimes indistinct; tail red. 



35. Lachesis puniceus (Boie). 

 Rept. Indo-Austr. Arch. II 1917, p. 286. 



Sinabang 1912. 



V. 1913. 



VII. 1913. 



Lugu IV. 1913. 



Sibigo VIII. 1913. 



Nom. indig. Sa wall tadung bisa. 



11, 13 or 14 scales between the supraoculars; second labial bordering 

 the labial pit. 



1 spec. Dr. Riegen leg. 



1 spec. 



1 spec. 



1 spec. 



1 spec. (juv.). 



