246 COLEOPTKRA FROM RIOUW. 



a distinct, although closely allied species. In the Leyden 

 Museum were already a male and a female from Palembang 

 (East Sumatra), — The typical lichenea Pasc. is described 

 from Malacca, but it occurs also in East Sumatra (Tand- 

 jong Morawa, Serdang: Dr. B. Hagen). 



10. Olenecamptus optatus Pasc. 



One example, 9- — Represented in the Leyden Museum 

 by a specimen from Billiton and from East Sumatra (Tand- 

 jong Morawa, Serdang). 



11. Praonetha melanura Pasc. 



One example, 9- — Other specimens, determined by 

 Mr. Pascoe himself, have been brought home from Sumatra 

 by the Scientific Sumatra Expedition. 



ISTotes from the Leyden Museum, Vol. IX. 



