Referee's report by Hamilton Hartridge, on a paper 'The change of visual sensitivity with time' by B H Crawford Sectional committee: Physiology Recommended for publication in Proceedings, in full. Some of the figures could be reduced in size and three or four could be placed on one page. [Published in Proceedings of the Royal Society B, 1937]. Endorsed on verso as received 2 March 1937. March 1937