Second referee's report by Edmund John Bowen, on a paper 'The mechanism of polymerization reactions. I. The polymerization of styrene and methyl methacrylate' by Ronald George Wreyford Norrish and E F Brookman Sectional Committee: Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. The paper has been shortened but still may be longer than the limit for a Proceedings paper. Still finds the paper lengthy but is not prepared to requests sending the paper back to the authors again. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 3 March 1939. [March 1939]