Depth of Water--Position as the Reservoir of a great River
System--The Bamangwato and their Chief--Desire to visit
Sebituane, the Chief of the Makololo--Refusal of Lechulatebe
to furnish us with Guides--Resolve to return to the Cape--The
Banks of the Zouga--Pitfalls--Trees of the District--
Elephants--New Species of Antelope--Fish in the Zouga.

Chapter 4. Leave Kolobeng again for the Country of Sebituane--
Reach the Zouga--The Tsetse--A Party of Englishmen--Death of
Mr. Rider--Obtain Guides--Children fall sick with Fever--
Relinquish the Attempt to reach Sebituane--Mr. Oswell's
Elephant-hunting--Return to Kolobeng--Make a third Start
thence--Reach Nchokotsa--Salt-pans--"Links", or Springs--
Bushmen--Our Guide Shobo--The Banajoa--An ugly Chief--The
Tsetse--Bite fatal to domestic Animals, but harmless to wild
Animals and Man--Operation of the Poison--Losses caused by it--
The Makololo--Our Meeting with Sebituane--Sketch of his
Career--His Courage and Conquests--Manoeuvres of the Batoka--
He outwits them--His Wars with the Matebele--Predictions of a
native Prophet--Successes of the Makololo--Renewed Attacks of
the Matebele--The Island of Loyelo--Defeat of the Matebele--
Sebituane's Policy--His Kindness to Strangers and to the Poor--
His sudden Illness and Death--Succeeded by his Daughter--Her
Friendliness to us--Discovery, in June, 1851, of the Zambesi
flowing in the Centre of the Continent--Its Size--The Mambari--
The Slave-trade--Determine to send Family to England--Return
to the Cape in April, 1852--Safe Transit through the Caffre
Country during Hostilities--Need of a "Special Correspondent"
--Kindness of the London Missionary Society--Assistance
afforded by the Astronomer Royal at the Cape.

Chapter 5. Start in June, 1852, on the last and longest
Journey from Cape Town--Companions--Wagon-traveling--Physical
Divisions of Africa--The Eastern, Central, and Western Zones--
The Kalahari Desert--Its Vegetation--Increasing Value of the
Interior for Colonization--Our Route--Dutch Boers--Their
Habits--Sterile Appearance of the District--Failure of Grass--
Succeeded by other Plants--Vines--Animals--The Boers as
Farmers--Migration of Springbucks--Wariness of Animals--The
Orange River--Territory of the Griquas and Bechuanas--The
Griquas--The Chief Waterboer--His wise and energetic
Government--His Fidelity--Ill