Copy letter from Herbert Rix, to Dr A F Dixon, 23 Northbrook Road, Dublin 'Dear Sir, I have to acknowledge receipt of the illustrations to your paper advised in your letter of yesterday's date. We have searched through the manuscript but cannot find the letter from the Royal Veterinary College of which you speak. I am, yours truly, Herbert Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 31 March 1896