Referee's report by Robert Robertson, on a paper 'Absorption bands of HCN in the photographic infra-red' by Gerhard Herzberg and J W T Spinks Sectional Committee: Chemistry No clear statement regarding publication in the 'Proceedings of the Royal Society of London'. The conclusions await the results of DCN, which are promised. Refers to work of Bagder. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 13 July 1934. 3 August 1934