Referee's report by George Ingle Finch, on two papers 'On the electron diffraction of multilayers of esters of fatty acids. I' by A Cameron and G D Coumoulos and 'The structure of multilayers of the esters' by G D Coumoulos and Eric Keightley Rideal Sectional committee: Chemistry Recommended for publication in Proceedings. His earlier criticisms have been met and the first paper is much clearer and condensed accordingly. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Both papers published in Proceedings of the Royal Society A, 1941]. Received date not given. 5 May 1941