Copy letter from Herbert Rix, to Rev W J Rutherford, 19 Dean's Yard, S.W. 'Dear Sir, The words of the charter are "erunt vocabuntur et nuncupabuntur Sodales Regalis Societatis." I am yours faithfully, Herbert Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 11 July 1888