Copy letter from Archibald Geikie, to Dr Sidney Harris Cox Martin, Fellow of the Royal Society In sending on to Martin as Chairman of the Physiology Committee, a paper communicated by Professor Sherrington just before the holidays, Geikie encloses a copy of a letter written at the time by him to Professor Sherrington which will explain why the paper has been kept back [not enclosed]. Asks if Martin will now deal with the paper in the usual way. 8 November 1906