Very few inhabitants are scattered over this part of the desert, few hills are to be seen, until we arrive at Lake N'gami, when the Lubalo, Makkapola and Makabana hills come into view, and it is round the lake that the people under the chief Molemo live, and at his kraal and others along the river-banks of the Zouga or Bot-let-le. The people are composed of Betuana, Barutsie, Makolo, Bushmen, and several mixed races; each tribe has a petty chief ruling over them, but all subject to the chief Molemo as far as his territory east goes, where the chief Khama joins. The principal villages are Sebubumpie, Mokhokhotlo, Mamakahuie, Mozelenza, Samaai, and numerous others occupied by Bushmen. The produce of the northern district is collected by the Ovampo traders and brought down to the Walfish Bay, and by Portuguese traders from the Portuguese settlement at Benguela. The trade of Lake N'gami and the Zambese region is carried on by English traders from the Cape Colony, having communication by roads from Ba-Mangwato, the chief Khama's station, and roads from the lake to Walfish Bay, passing the Ghanze chalk-pits, situated on the watershed, where permanent water is obtained. Many thousand Bushmen live in the more unfrequented parts of the desert, having no settled abode, but remove from water to water as it becomes scarce; there are three separate tribes, the Mesere, Kasaka, and Kaikaibrio, and also some Bakalahara. The greater portion of this part of the Kalahara within the Zambese basin is limestone, covered in places with deep sand, but vegetation is very luxuriant--splendid grasses, and magnificent timber. It is a good corn-growing country, a variety of valuable herbs come to great perfection, every kind of European plants and fruits thrive; water can be obtained by digging,--a splendid country for immigration. THE SOUTHERN AND WESTERN PORTION OF THE KALAHARA, WITHIN THE ORANGE RIVER BASIN, THE WATERS OF WHICH FALL INTO THE SOUTH ATLANTIC OCEAN.