Referee's report by James Alexander Murray, on a paper 'The influence of various polycyclic hydrocarbons on the growth rate of transplantable tumours' by Alexander Haddow and A M Robinson Sectional committee: Physiology Recommended for publication in Proceedings, in full. The index is misleading, as it varies too much. All the photographs should be reproduced, apart from the ones of tumours, which are 'more suitable for the Tatler than the Proceedings'. [Published in Proceedings of the Royal Society B, 1937]. Endorsed on verso as received 29 December 1936. 28 December 1936