Referee's report by John Edward Lennard-Jones, on a paper 'Extract and approximate expressions for the permeability of potential barriers to light particles' by Ronald Percy Bell Sectional Committee: Mathematics Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests omitting the analysis on page five, as this is not referred to i the subsequent discussion. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 31 July 1936. [July 1936]