Referee's report by Arthur Stanley Eddington, on a paper 'The fundamental equation of wave mechancis and the [metrics] of space' by H T Flint and J W Fisher Sectional committee: Mathematics Not recommended for publication in Philosophical Transactions or Proceedings. The authors 'do not seem to have appreciated' the fundamental difficulty in relating Schrödinger's theory to geometry. [Not published]. Endorsed on verso as received 21 May 1927. May 1927