Referee's report by Alfred Fowler, on a paper 'Fluorescent emission of the mercury line 2537 A at pressures between 10-3 and 10-1 mm' by Peter Pringsheim and O D Saltmarsh Sectional Committee: Physics Not recommended for publication in the 'Proceedings of the Royal Society of London'. The substance may be sound, but the presentation is troublesome. Makes detailed suggestions for modifications to the text. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 26 September 1935. [September 1935]