Copy letter from Herbert Rix, to Messrs Clay & Sons 'Dear Sirs, Adverting to my letter of yesterday's date, I now beg leave to send you two copies of the corrected proof of our Presentation list (Catalogue of Scientific Papers). This had better be substituted for the list previously sent you, some changes of style & title having been introduced in the case of some of the institutions. Yours truly Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 6 January 1892