This account of the past and present status of both species of rhinoceros in Rhodesia was presented by the author, in his capacity as Assistant Director (Research) of National Parks and Wildlife Management in Rhodesia, to the Survival Service Commission of IUCN in 1965, and since brought up to date. Dr. Roth, who is now Wildlife Officer of the UN Food and Agriculture Organisation (FAO), describes how both species have been eliminated from large areas not only by human settlement but also by

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... se control operations, and shows the importance of modern techniques of translocation, both for saving threatened populations and reducing local over-populations.