Referee's report by William Pole, on a paper 'The principles of training rivers through tidal estuaries, as illustrated by investigations into the methods of improving the navigation channels of the estuary of the Seine' by Leveson Francis Vernon-Harcourt Recommended for publication in the Proceedings of the Royal Society of London. The paper is a sequel to another read before the Institution of Civil Engineers. Refers to work by Osborne Reynolds. Suggests omitting the controversial matter. Subject: Chemistry [Published in the 'Proceedings of the Royal Society of London', 1889] 6 December 1888