118 
NATIVES OF AFRICA. 
winch might be supposed to be the Nile, and descend that far enough to 
verify his conclusions. The nature of the return journey would have to 
be determined by the circumstances then encountered. 
TWO-HORNED RHINOCEROS. 
October 2,1860, the march inland from Zanzibar began. The caravan 
consisted of about two hundred persons; but eleven deserted before start¬ 
ing. Go they must, however, because one desertion would be sure to lead 
