Referee's report by Samuel Sugden, on a paper 'The persistence of the liquid state of aggregation above the critical temperature. The system ethylene' by Otto Maass and A L Geddes Sectional committee: Chemistry Recommended for publication in Proceedings, in part.The paper is important but written in diffuse style. It could be reduced by 30 per cent. The opinion of Robert Whytlaw-Gray should be sought. [Published in Philosophical Transactions A, 1937]. Endorsed on verso as received 21 July 1936. July 1936