Cataracts of the Kalongosi. Passage of the river disputed. Leeches and method of detaching them. Syde bin Habib's slaves escape. Enormous collection of tusks. Ill. Theory of the Nile sources. Tribute to Miss Tinne. Notes on climate. Separation of Lake Nyassa from the Nile system. Observations on Victoria Nyanza. Slaves dying. Repentant deserters. Mohamad Bogharib. Enraged Imbozhwa. An attack. Narrow escape. Renewed attack. A parley. Help arrives. Bin Juma. March from the Imbozhwa country. Slaves escape. Burial of Syde bin Habib's brother. Singular custom. An elephant killed. Native game-laws. Rumour of Baker's Expedition. Christmas dinners. ILLUSTRATIONS. [DR. LIVINGSTONE, though no artist, had acquired a practice of making rude sketches of scenes and objects, which have furnished material for the Engravers in the Illustrations for this book.] Full-page Illustrations. 1. PORTRAIT OF DR. LIVINGSTONE. (From a Photograph by ANNAN) 2. SLAVERS REVENGING THEIR LOSSES 3. SLAVES ABANDONED 4. CHITAPANGWA RECEIVING DR. LIVINGSTONE 5. THE VILLAGE ON LAKE LIEMBA--TANGANYIKA 6. THE ARRIVAL OF HAMEES' BRIDE 7. DISCOVERY OF LAKE BANGWEOLO Smaller Illustrations. 1. DR. LIVINGSTONE'S HOUSE, ZANZIBAR 2. DHOW USED FOR TRANSPORT OF DR. LIVINGSTONE'S CAMELS 3. A THORN-CLIMBER 4. TOMAHAWK AND AXE 5. CARVED DOOR, ZANZIBAR 6. TATTOO OF MATAMBWE 7. IMITATION OF BASKET-WORK IN POTTERY 8. DIGGING-STICK WEIGHTED WITH ROUND STONE 9. MANGANJA AND MACHINGA WOMEN 10. TATOO ON WOMEN 11. CARVED STOOL MADE OF A SINGLE WOODEN BLOCK 12. WOMEN'S TEETH HOLLOWED OUT 13. MODE OF FORGING HOES 14. MALLET FOR SEPARATING FIBRES OF BARK 15. THE CHIEF CHITAPANGWA 16. CHITAPANGWA'S WIVES 17. FILED TEETH OF QUEEN MOAeH 18. A FOREST GRAVE GENERAL MAP OF DR. LIVINGSTONE'S OWN DISCOVERIES CHAPTER I. Arrival at Zanzibar. Hearty reception by Said Majid, the Sultan. Murder of Baron van der Decken. The slave-market. Preparations for starting to the interior. Embarkation in H.M.S. _Penguin_ and dhow. Rovuma Bay impracticable. Disembarks at Mikindany. Joy at travelling once more. Trouble with sepoys. Camels attacked by tsetse fly, and by sepoys. Jungle sappers. Meets old enemies. The Makonde. Lake Nangandi. Gum-copal diggings.