Referee's report by James Chadwick, on a paper 'The 'second maximum’ of the shower transition curve of cosmic radiation' by E P George, L Jánossy and M McCaig Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests some alterations to wording, to improve clarity, and an explanation for some of the figures. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1941]