Correspondence and reports concerning fishery research and development in the Sudan, the development of Red Sea fisheries, Nile control, and the career of Dr J. Rzoska, Geology Department, Khartoum. Correspondents include:

There is an account of a meeting between Worthington, Forbes, and F.D. Corfield, Governor, Upper Nile Province, about fishery research in the Sudd area of the Sudan in relation to the Jonglei project.