Referee's report by Arthur Schuster on a paper 'An investigation of the colour vision of 527 students by the Rayleigh test' by R A Houstoun Sectional committee: Physics Not recommended for publication. Could be published in 'Proceedings - if at all'. He is wary to recommend it as 'due to the consideration that the paper is purely confirmatory of previous investigations'. [Published in Proceedings of the Royal Society A, 1922]. Endorsed on verso as received [June 1922]. June 1922