Copy letter from Herbert Rix, to Dr William James Russell, [Fellow of the Royal Society] 'Dear Dr Russell, You sent me two cheques for £4 each. On Apl [April] 28 & May 1. The first was for your own annual contribution. I have mislaid the note in which you told me for whose ann. contrib. [annual contribution] the second was. Would you kindly write the name on the enclosed card? Yours ever H Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 16 May 1891