Referee's report by Walter Stiles, on a paper 'The estimation of small quantities of carbon dioxide in air by the absorption of infra-red radiation' by Herbert Dingle and A W Pryce Sectional committee: Unknown Recommended for publication in Proceedings. The subject is 'so important in plant and animal physiology' that it should be published. It should be published in Proceedings B, instead of A. It could also be published in the Journal of Scientific Instruments. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies that he doesn't think so. [Published in Proceedings of the Royal Society B, 1940]. Endorsed on verso as received August 1940