Referee's report by William Jackson Pope, on two papers 'Studies of the processes operative in solutions. XXXI.— Sulphonic acids and sulphuric acid as hydrolytic agents—a discussion of the constitution of sulphuric and other polybasic acids and of the nature of acids' and 'Studies of the processes operative in solutions. XXXII.— The influence of sulphonates on the hydrolytic activity of sulphonic acids: a contribution to the discussion on the influence of neutral salts' by Henry Edward Armstrong and F P Worley Sectional Committee: Physics and Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. The papers contain controversial material, but the resulting discussions will be of considerable importance. [Both papers published in the 'Proceedings of the Royal Society of London', 1914] Endorsed on verso as received 12 February 1914. 11 February 1914