Letters from John Tasman Waddell Leslie, George Hamilton (colonial office) and H. Betram concerning Dr. C. W. Daniels investigation into malaria Copies of letters forwarded to Ross, written on same sheet of paper, about Dr. C.W. Daniels, of the British Guiana Medical Service, who is to make investigations into malaria. Part of Daniels's time (2 months) is to be spent studying under Ross, "so as to make himself acquainted with the results of that gentleman's researches which are believed to be of great value." Daniels is then to go on to Africa to carry on research there with two others. 27/10/1898, 19/11/1898