Copy letter from Herbert Rix, to Professor John Burdon Sanderson, Fellow of the Royal Society 'Dear Sir, Donation Fund. Chq [Cheque] for H. M. Vernon £25. You told me to hold this back. Can you now bank it? or may I cancel it? It is a little awkward in my bookkeeping to keep it drawn but not banked. Yours truly, Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 21 May 1894