Henry Morton Stanley the source of the Nile. Between 1875 and 1876 Stanley succeeded in the first part of his objective, establishing that Lake Victoria had only a single outlet – the one located by John Hanning Speke on 21 July 1862. If this was not the Nile's source, then the massive northward flowing river called by Livingstone, the Lualaba, and mapped by him in its upper reaches, might flow on north to connect with the Nile via Lake Albert and thus be the primary source. It was therefore essential that Stanley should trace the course of the Lualaba downstream (northward) from Nyangwe,
John Hanning Speke highlands of today's Rwanda and Burundi into the Lake across the Kagera Region of today's Tanzania. Much of Speke's "Journal of the Discovery of the Source of the Nile" is a description of the physical features of Africa's races, in whose condition he found "a strikingly existing proof of the Holy Scriptures." Living alongside the negroes, Speke found a "superior race" of "men who were as unlike as they could be from the common order of the natives" due to their "fine oval faces, large eyes, and high noses, denoting the best blood of Abyssinia" –; that is, Ethiopia. This