Copy letter from Robert William Frederick Harrison, to Major Ronald Ross, Fellow of the Royal Society 'Dear Sir, In accordance with the request contained in your letter of the 18th inst. [instant] addressed to the Secretaries, I return the paper by Drs Dutton, Todd and Christy which you desire to withdraw. I am, faithfully yours, Asst Sec R.S. [Assistant Secretary, Royal Society]'. 22 February 1904