Copy letter from Herbert Rix, to J J Johnson, 16 Warwick Street, Regent Street, W. The enclosed demand notes should be sent under cover to Lord Rayleigh [John William Strutt] and Dr Michael Foster. The rest of the demand notes are rightly sent to Johnson as the Royal Society pays them and Rix will forward a cheque for them as soon as he can get it signed. 1 January 1891