Referee's report by William Edward Curtis, on a paper 'The stark effect in hydrogen and deuterium' by John Stuart Foster and Hawley Snell Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests adding an explanation for Plate A, but only if this will not delay publication. Plate B may not reproduce well. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 20 April 1937. [April 1937]