Referee's report by William Edward Curtis, on a paper 'On certain fundamental frequencies and energy constants' by Herbert Stanley Allen Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. The coincidences in the paper are approximate and involve arbitrary integers. No evidence has been put forward to support it. Refers to work of Harold Albert Wilson. Has doubts about the scientific value of the paper. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 19 May 1936. [May 1936]