Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society 'Dear Sir, Mr Lockyer called in yesterday and said that Sir Frederic Leighton declines to speak at the Dinner. I suppose you will write to someone else, or ask the President to do so? Mr Bryce, as you see by the inclosed, accept another duty. Yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 25 November 1893