Peace negotiations with Nsama. Geographical gleanings. Curious spider. Reaches the River Lofu. Arrives at Nsama's. Hamees marries the daughter of Nsama. Flight of the bride. Conflagration in Arab quarters. Anxious to visit Lake Moero. Arab burial. Serious illness. Continues journey. Slave-traders on the march. Reaches Moero. Description of the Lake. Information concerning the Chambeze and Luapula. Hears of Lake Bemba. Visits spot of Dr. Lacerda's death. Casembe apprised of Livingstone's approach. Meets Mohamad Bogharib. Lakelet Mofwe. Arrives at Casembe's town. CHAPTER X. Grand reception of the traveller. Casembe and his wife. Long stay in the town. Goes to explore Moero. Despatch to Lord Clarendon, with notes on recent travels. Illness at the end of 1867. Further exploration of Lake Moero. Flooded plains. The River Luao. Visits Kabwabwata. Joy of Arabs at Mohamad bin Salleh's freedom. Again ill with fever. Stories of underground dwellings. CHAPTER XI Riot in the camp. Mohamad's account of his long imprisonment. Superstitions about children's teeth. Concerning dreams. News of Lake Chowambe. Life of the Arab slavers. The Katanga gold supply. Muabo. Ascent of the Rua Mountains. Syde bin Habib. Birthday, 19th March, 1868. Hostility of Mpweto. Contemplates visiting Lake Bemba. Nile sources. Men desert. The shores of Moero. Visits Fungafunga. Return to Casembe's. Obstructiveness of "Cropped-ears." Accounts of Pereira and Dr. Lacerda. Major Monteiro. The line of Casembes. Casembe explains the connection of the Lakes and the Luapula. Queen Moaeri. Arab sacrifice. Kapika gets rid of his wife. CHAPTER XII. Prepares to examine Lake Bemba. Starts from Casembe's 11th June, 1868. Dead leopard. Moenampanda's reception. The River Luongo. Weird death-song of slaves. The forest grave. Lake Bemba changed to Lake Bangweolo. Chikumbi's. The Imbozhwa people. Kombokombo's stockade. Mazitu difficulties. Discovers Lake Bangweolo on 18th July, 1868. The Lake Chief Mapuni. Description of the Lake. Prepares to navigate it. Embarks for Lifunge Island. Immense size of Lake. Reaches Mpabala Island. Strange dream. Fears of canoe men. Return to shore. March back. Sends letters. Meets Banyamwezi. Reviews recent explorations at length. Disturbed state of country. CHAPTER XIII.