Referee's report by Thomas Henry Havelock, on a paper 'The resistance of a cylinder moving in a viscous fluid' by Leonard Bairstow, B M Cave and E D Lang Sectional Committee: Mathematics Recommended for publication in the 'Proceedings of the Royal Society of London'. The paper is a supplement to an earlier work by the same authors. Refers to work of Arthur Berry and Lorna M Swain. [Published in the Philosophical Transactions of the Royal Society A, 19923] Endorsed on verso as received 11 May 1923. [May 1923]