CHAPTER XXIX. THE SOURCES OF THE NILE--THE MOUNTAINS OF THE MOON, AND THE FOUNTAINS OF THE NILE. Père Jerome Lobo and the Nile--The chartographers of Homer’s time--Hekatæus’s ideas of Africa--Africa after Hipparchus--The great Ptolemy’s map--Edrisi’s map--Map of the Margarita Philosophica--Map of John Ruysch--Sylvannus’ map--Sebastian Cabot’s map--The arbitrariness of the modern map maker--Map of Constable, Edinburgh--What Hugh Murray says in his book published in 1818--A fine dissertation on the Nile by Father Lobo--Extracts from part of a MS. in the possession of H. E. Ali Pasha Moubarek--Plan of Mount Gumr--A good description of Africa by Scheabeddin--The Nile according to Abdul Hassen Ali--Abu Abd Allah Mohammed on the Nile river 291 CHAPTER XXX. RUWENZORI: THE CLOUD KING. Recent travellers who have failed to see this range--Its classical history--The range of mountains viewed from Pisgah by us in 1887--The twin cones and snowy mountain viewed by us in 1888 and January 1889--Description of the range--The Semliki valley--A fair figurative description of Ruwenzori--The principal drainage of the snowy range--The luxurious productive region known as Awamba forest or the Semliki valley--Shelter from the winds--Curious novelties in plants in Awamba forest--The plains between Mtsora and Muhamba--Changes of climate and vegetation on nearing the hills constituting the southern flank of Ruwenzori--The north-west and west side of Ruwenzori--Emotions raised in us at the sight of Ruwenzori--The reason why so much snow is retained on Ruwenzori--The ascending fields of snow and great tracts of _débris_--Brief views of the superb Rain Creator or Cloud King--Impression made on all of us by the skyey crests and snowy breasts of Ruwenzori 313 CHAPTER XXXI. RUWENZORI AND LAKE ALBERT EDWARD.