Copy letter from Michael Foster, to Professor Victor Horsley, Fellow of the Royal Society 'Dear Prof Horsley, May I call your attention to the fact that you have had in your hands since the 18th of July of last year the proofs of the paper by yourself & Dr [S P] Kramer: and proofs of the illustrations nearly three months. Yours truly, (signed) M. Foster Sec. R.S. [Secretary, Royal Society]'. 14 February 1896