John Hanning Speke of the way. Once Speke and Burton were back on the coast they went by ship to Zanzibar and then traveled to Aden. When back at the coast Burton had written a letter to Norton Shaw of the Royal Geographical Society (which had partially sponsored the journey) in which Burton enclosed a map of Lake Victoria made by Speke and wrote "there are grave reasons for believing it (the map) to be the source of the principal feeder of the White Nile." Once in Aden, Burton was not granted a medical certificate to travel and thus Speke left on HMS
Lake Burigi are armies of black mosquitoes. Lake fish were infested with guinea worm at the time of Stanley's expedition. Lake Burigi Lake Burigi (originally Lueor-lo-Urigi, meaning "White Lake of Urigi") is an endorheic lake in the Karagwe district, Kagera Region of Tanzania. Parts of the lake and its shore are situated within the Burigi Game Reserve. Visited by Dr. Hans Meyer's East African expedition, its name on maps of the time was Urigi. The lake's discovery is attributed to Capt. John Hanning Speke, who name it Lueor-lo-Urigi ("White Lake of Urigi"). The lake is long and wide. It has an elongated