Copy letter from Herbert Rix, to Dr Woodward, Fellow of the Royal Society 'Dear Dr Woodward, I find that the parcel was not prepaid, and the ticket must have been an old one. Perhaps the carriage should have been paid, and enclosed herewith you will find four stamps. Yours faithfully, Herbert Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 10 July 1889