Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs Murphy & Son Ltd.; Sheen Lane, Mortlake, London, S.W.14. 'In reply to your letter of yesterday's date, I enclose herewith copies of the Memoranda issued by the Grain Pests (War) Committee, with the exception of No. 5, which is now out of print.' [Not enclosed.] 6 January 1921