Referee's report by Philip Ivor Dee, on a paper 'A study of expected loss rates in the counting of particles from pulsed sources' by C H Westcott Sectional committee: Physics Recommended for publication in Proceedings. An extra paragraph should be added in which the results are collected under specific headings. There are some grammatical errors. [Published in Proceedings of the Royal Society A, 1948]. Date received not given. 1948