David Livingstone many newspapers of the time, and Livingstone experienced great difficulty in raising funds to further explore Africa. Nevertheless, John Kirk, Charles Meller, and Richard Thornton, the scientists appointed to work under Livingstone, did contribute large collections of botanical, ecological, geological, and ethnographic material to scientific Institutions in the United Kingdom. In January 1866, Livingstone returned to Africa, this time to Zanzibar, and from there he set out to seek the source of the Nile. Richard Francis Burton, John Hanning Speke, and Samuel Baker had identified either Lake Albert or Lake Victoria as the source (which was partially correct, as the
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