Referee's report by John Herbert Parsons, on a paper 'The photosensitivity of visual purple solutions and the scotopic sensitivity of the eye in the ultra-violet' by Charles Frederick Goodeve, Richard James Lythgoe and E E Schneider Sectional Committee: Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. The physiology is an important contribution, but does not feel qualified to criticise the mathematics. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies unlikely. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1941]