Referee's report by Horace Lamb, on a paper 'Integrals of the equations of electrodynamics with an application to the electric constants of a transparent medium' by Hector Munro Macdonald Sectional Committee: Mathematics Recommended for publication in the 'Proceedings of the Royal Society of London'. The paper may not be important, but the standing of the author and the links to previous work make the paper worthy of publication. [Published in the 'Proceedings of the Royal Society of London' A, 1926] Endorsed on verso as received 2 October 1926. [October 1926]