Referee's report by Horace Lamb, on a paper 'The rate of transmission of the Guatemala earthquake of April 19, 1903' by Richard Dixon Oldham Sectional Committee: Physics and Chemistry Lamb thinks the paper should be published in the Philosophical Transactions, in full. He does not suggest any alterations and there are no illustrations. In general the paper is an interesting piece of evidence in favour of the theory already advocated by its author in Philosophical Transactions. [Published in Proceedings of the Royal Society A, 1905]. Endorsed on verso as received 17 February 1905. 17 February 1905