John Hanning Speke Furious and arrived in England on 8 May 1859. Burton was not far behind and he arrived on 21 May 1859. Now further disagreements developed; Burton maintained that they had promised each other in Aden not to make public announcements till they both were back in England and Burton accused Speke of a breach of promise by publicly claiming the source of the Nile was found on their trip. Burton now turned against the theory that Lake Victoria was the source of the Nile (and now said the river flowing "out" of the north side of Lake Tanganyika was the
Hamites language, culture, and much of their physiognomy as they intermarried with the local Bantus. The British explorer John Hanning Speke recorded one such account from a Wahuma governor in his book, "Journal of the Discovery of the Source of the Nile". According to Augustus Henry Keane, the Hima King Mutesa I also claimed Oromo (Galla) ancestors and still reportedly spoke an Oromo idiom, though such Hamitic-Semitic language had long since died out elsewhere in the region. The missionary R. W. Felkin, who had met the ruler, remarked that Mutesa "had lost the pure Mhuma features through admixture of Negro blood,