Referee's report by Harold Jeffreys, on a paper 'The propagation of a pulse in the atmosphere' by C L Pekeris Sectional Committee: Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. The references are not in the standard Royal Society format. Refers to work of Geoffrey Ingram Taylor, Oliver Heaviside and Thomas John I'Anson Bromwich. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 14 February 1939. [February 1939]