Travels into the interior of southern Africa : in which are described the character and the condition of the Dutch colonists of the Cape of Good Hope, and of the several tribes of natives beyond its limits : the natural history of such subjects as occurred in the animal, mineral and vegetable kingdoms; and the geography of the southern extremity of Africa : comprehending also a topographical and statistical sketch of Cape Colony; with an inquiry into its importance as a naval and military station, as a commercial emporium; as a territorial possession