Burton and Speke (novel) incompetent, unable even to learn how to use simple measuring devices, vital to serious exploration. Despite these obvious drawbacks however, it is Speke who eventually discovers Lake Victoria as the source of the Nile, due to Burton falling seriously ill with malaria and having to be left behind in an Arab trading camp. Here their mutual antipathy turns to bitter enmity when Speke, breaking his word to Burton, claims sole credit for the discovery. Unfortunately for Speke his lack of accurate readings and sloppy map making skills lead the scientific world to doubt his word. Speke dies from a self-inflicted
Jakob Erhardt then in the "Church Missionary intelligencer" in 1856. The map was reproduced with commentary in other publications. The reports of snow on mounts Kilimanjaro and Kenya, near to the equator, caused considerable controversy. The map caused the British government and the Royal Geographical Society to hire Richard Francis Burton and John Hanning Speke to investigate the great lake, or lakes, and determine if they were the source of the Nile. The map came to be known as the "slug map" from the shape of the Uniamesi or Niassa inland sea. Burton called it the Mombas Mission Map. Erhardt worked in