Copy letter from Robert William Frederick Harrison, to Professor Sidney Harris Cox Martin, Fellow of the Royal Society, Chairman of the Physiology Sectional Committee Dr George Reid has amended his paper on 'the nitrification of sewage' in light of the recommendations of the second referee, Dr C J Martin, and enclosed is a letter from Professor Gotch, for the Chairman's information. Asks if printing of the paper in the 'Proceedings [of the Royal Society]' might now proceed. Also encloses a letter from Dr C J Martin together with a manuscript of Mr Sutherland's paper [not enclosed]. Asks if Martin will minute his opinion as to the action to be taken regarding Sutherland's paper. 27 July 1906