Sublime faith in the future of Africa.

Progress in the heart of the continent since his day.

Interest of his second and third journeyings (1853-56).

Visits to Britain, reception, and personal characteristics.

Later discoveries and journeyings (1858-1864, 1866-1873).

Death at Chitambo (Ilala) Lake Bangweolo, May 1, 1873.

General accuracy of his geographical records; his work, as a whole, stands the test of time.

Downfall of the African slave-trade, the "open sore of the world".

Remarkable achievements of later explorers and surveyors.

The work of Burton, Junker, Speke, and Stanley.