Referee's report by Eric Keightley Rideal, on a paper 'The effect of pressure on reactions in solution I—Sodium ethoxide and ethyl iodide to 3000 kg/cm2 II—Pyridine and ethyl iodide to 8500 kg/cm2' by R O Gibson, E W Fawcett and M W Perrin Sectional committee: Chemistry Recommended for publication in Proceedings, in full. The paper is concise and clear. [Published in Proceedings of the Royal Society A, 1935]. Endorsed on verso as received 19 February 1935. February 1935