EXPLORATION OF THE KIBALI 325 



looking at an arrow to what tribe it belongs. The arrows 

 of the Mangbettus show the most careful workmanship. 

 They are winged with the fur of the bush cat, and sometimes 



(Cutting edge) 



ANCIENT STONE IMPLEMENT 



(Full size, 5x2 inches) 



with stiff leaves. The length of the arrows is about 18 to 20 

 in., but the Logos and Bari make stronger and heavier ones 

 of 30 in. for big game-hunting. 



In these hills I was fortunate enough to obtain from the 

 natives two ancient stone-implements. These stones, which 

 are beautifully made and polished, have a rounded cutting- 

 edge and two regular convex faces, and in length are from 

 2 to 8 in. They bear little or no resemblance to any of the 

 chipped stones that have been found in the Lower Congo. 

 They are made of magnetic iron-ore which is found in parts 

 of the district south of the Welle. It is also met with on the 

 top of Mount Gaima which is ten miles west of Vankerckhoven- 

 ville, and in the neighbourhood of Wadelai. The magnetite 



