Letter from Sir David Bruce, Entebbe, Uganda, to Sir Michael Foster of the Malaria Committee Has sent Capt Greig to Nairobi to investigate the capability of the East African tsetse in carrying trypanosoma; notes that 'the distribution of sleeping sickness and the tsetse correspond in a marked way. I really am beginning to think we have to do with a Human Fly disease'. Notes the uselessness of animal experiments. Describes Dr Nabarro and Craig as hard-working. Sends more biting fly specimens for the British Museum. p55. 14 July 1903