Referee's report by Horace Lamb, on a paper 'The effect of shallow water on wave resistance' by Thomas Henry Havelock Sectional Committee: Mathematics Recommended for publication in the 'Proceedings of the Royal Society of London'. The paper is a continuation of previous work by the same author. Suggests modification to the text and reduction in size of the diagrams. [Published in the 'Proceedings of the Royal Society of London' A, 1922] Endorsed on verso as received 15 November 1921. [November 1921]