Copy letter from Robert William Harrison, to Sir John Kirk, Sir John Scott Burdon-Sanderson, Mr C P Lucas The Messrs are requested to peruse the accompanying draft letter [not enclosed] to observers of the Malaria investigation, and after noting their approval or suggestions for amendment, to send them on with this memorandum to Dr P Manson, who is requested to return them to the Royal Society with any notes at his earliest convenience. 25 July 1899