Second referee's report by Robert Whytlaw-Gray, 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 Philosophical Transactions. The paper has been considerably shortened in response to his last report and a few figures have been deleted. It will now fill around forty four pages in the Philosophical Transactions. He still has some doubts about the views of the authors but the experimental side of the paper is sound. [Published in Philosophical Transactions A, 1936]. Endorsed on verso as received 1 March 1937. 26 February 1937