Chapter 18. The Watershed between the northern and southern Rivers--A deep Valley--Rustic Bridge--Fountains on the Slopes of the Valleys--Village of Kabinje--Good Effects of the Belief in the Power of Charms--Demand for Gunpowder and English Calico--The Kasai--Vexatious Trick--Want of Food--No Game-- Katende's unreasonable Demand--A grave Offense--Toll-bridge Keeper--Greedy Guides--Flooded Valleys--Swim the Nyuana Loke-- Prompt Kindness of my Men--Makololo Remarks on the rich uncultivated Valleys--Difference in the Color of Africans-- Reach a Village of the Chiboque--The Head Man's impudent Message--Surrounds our Encampment with his Warriors--The Pretense--Their Demand--Prospect of a Fight--Way in which it was averted--Change our Path--Summer--Fever--Beehives and the Honey-guide--Instinct of Trees--Climbers--The Ox Sinbad-- Absence of Thorns in the Forests--Plant peculiar to a forsaken Garden--Bad Guides--Insubordination suppressed--Beset by Enemies--A Robber Party--More Troubles--Detained by Ionga Panza--His Village--Annoyed by Bangala Traders--My Men discouraged--Their Determination and Precaution. Chapter 19. Guides prepaid--Bark Canoes--Deserted by Guides-- Mistakes respecting the Coanza--Feelings of freed Slaves-- Gardens and Villages--Native Traders--A Grave--Valley of the Quango--Bamboo--White Larvae used as Food--Bashinje Insolence-- A posing Question--The Chief Sansawe--His Hostility--Pass him safely--The River Quango--Chief's mode of dressing his Hair-- Opposition--Opportune Aid by Cypriano--His generous Hospitality--Ability of Half-castes to read and write--Books and Images--Marauding Party burned in the Grass--Arrive at Cassange--A good Supper--Kindness of Captain Neves-- Portuguese Curiosity and Questions--Anniversary of the Resurrection--No Prejudice against Color--Country around Cassange--Sell Sekeletu's Ivory--Makololo's Surprise at the high Price obtained--Proposal to return Home, and Reasons-- Soldier-guide--Hill Kasala--Tala Mungongo, Village of-- Civility of Basongo--True Negroes--A Field of Wheat--Carriers-- Sleeping-places--Fever--Enter District of Ambaca--Good Fruits of Jesuit Teaching--The 'Tampan'; its Bite--Universal Hospitality of the Portuguese--A Tale of the Mambari-- Exhilarating Effects of Highland Scenery--District of Golungo Alto--Want of good Roads--Fertility--Forests of gigantic Timber--Native Carpenters--Coffee Estate--Sterility of Country near the Coast--Mosquitoes--Fears of the Makololo--Welcome by Mr. Gabriel to Loanda.