Referee's report by Charles Drummond Ellis, on a paper 'On the Y rays of radium C' by Harold Albert Wilson Sectional Committee: Physics Not recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests the paper be deferred until the new results by the referee are published. These will not affect the general conclusions of the author, but the numerical work will require altering. [Not published] Endorsed on verso as received 18 October 1933. [October 1933]