An insuperable obstacle to rapid transit in Africa is the want of carriers, and as speed was the main object of the Expedition under my command, my duty was to lessen this difficulty as much as possible.

But my estimates, for instance, based upon book information, were simply ridiculous, fanciful images of African attractions were soon dissipated, anticipated pleasures vanished, and all crude ideas began to resolve themselves into shape.

The Europeans and Americans residing in the town of Zanzibar are either Government officials, independent merchants, or agents for a few great mercantile houses in Europe and America.