Referee's report by George Frederick James Temple, on a paper 'The indefinite metric in relativistic quantum mechanics' by K J Le Couteur Sectional Committee: Mathematics No clear statement regarding publication in the 'Proceedings of the Royal Society of London'. Has not worked in the field for many years, but finds publication of the paper justified. Suggests careful revision of the typography. [Published in the 'Proceedings of the Royal Society of London'] No received date. 30 July 1948