Page:Africa by Élisée Reclus, Volume 1.djvu/201

 and presenting their captives to their king, or selling them to the slave merchants. Near the plains the Shangallas have other enemies to fear, the Arabs, who have ulso reduced a considerable portion of the black population to slavery. Lastly, the

land has also been frequently wasted by the invasions of the Gallas or Ilm-Ormas from the south. Some of these Gallas, however, such as those west of the Abai River, and those in the province of Mecha, have settled in the districts depopulated by them.