Letter from Peter Humphry Greenwood; Cromwell Road, London; to Ian Dunn; Lake Katwe, Uganda Mentions their previous communications about internal politics at the fisheries. He would welcome copies of Dunn's reports to Beadle. He approves Dunn's smapling techniques as the only ones feasible under the circumstances. Discusses identification of the H. macrops. Jokingly requests a copy of a blackmail worthy photograph. 22 May 1967