have had to do with the Arabs are civil and obliging, having doubtless learned that the best way to get rid of both pleasant and unpleasant visitors is to help them on their way. One of the most difficult people we had to deal with was a chief named Kitenge, a powerful and unruly vassal of a good-natured timid old patriarch named Kongolo, whom we afterwards visited.

Kitenge's headquarters were on a large island in the middle of the river. The greater part of this island was formed of a beautiful white quartz, and the approach to it was one of the finest pieces of scenery I have ever seen. At the lower end of the island were a series of falls and rapids called Nyangi. On the left bank of the river, at this point, a magnificent cliff of quartz rose abruptly; at the foot of which, huge blocks, piled up into fantastic shapes,