Referee's report by Arthur John Allmand, on two papers 'The sorption of hydrogen on copper. Part I.—Adsorption and the heat of adsorption' and 'The sorption of hydrogen on copper. Part II.—The rate of solution' by A F H Ward Sectional committee: Chemistry Both papers recommended for publication in Proceedings, in full. They are interesting, important and well-written papers. [Both papers published in Proceedings of the Royal Society A, 1931]. Endorsed on verso as received 9 July 1931. July 1931