Copy letter from Robert William Frederick Harrison, to the Under Secretary of State, Colonial Office, S.W. '980/99 Sir, I have the honour to acknowledge the receipt of your letter of the 24th inst, enclosing the report of the Medical Department of the British Central Africa Protectorate for the month of September last together with a copy of a circular issued by the Acting Principal Medical Officer. I am, Sir, Your obedient Servant, Robt Harrison Assist. Sec. R.S. [Assistant Secretary of the Royal Society]'. 25 January 1899