The swamps of the Okavango are situated in the Batawana Native reserve in the north-west of the Bechuanaland protectorate (Botswana). The area, now usually called N'gamiland, is a vast flat country lying at an altitude of 3000 feet above see level and is part of the great sandy bush and scrub covered inland Kalahari plateau of southern Africa. This document comprises a detailed report on this area.