Copy letter from Robert William Frederick Harrison, to Professor William Dobinson Halliburton, Fellow of the Royal Society, 2 Brockdown Villas, Saltash, Cornwall 'Dear Professor Halliburton, In answer to your letter of the 20th instant, as Committee has so far been fixed for May 6th, and I will therefore call a meeting of the Physiology Committee for that day at 4 o'clock in accordance with your request. Believe me, very truly yours, Robt [Robert] Harrison Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 22 April 1904