CHAPTER I.
Origin of the Missions--Its Objects and Plan--Preparations--Arrival at Tripoli--Prussian Colleagues--Necessary Delay--The Boat for Lake Tchad--Wind-bound--Anxieties at Tripoli--Correspondence with Mourzuk and Ghât--Circular Letter of Izhet Pasha--Composition of the Caravan--An aristocratic Interpreter--A Mohammedan Toper--The Chaouches--Free Blacks returning to their Countries--Marabout--Camel-drivers--Rate of Desert travelling--Trade of Tripoli with the Interior--Slavery--Caravans from Central Africa--Details on Commerce--Promotion of legitimate Traffic--Spread of Civilisation.