Referee's report by Arthur Harden, on a paper 'The kinetics of hæmoglobin.—II. The velocity with which oxygen dissociates from its combination with haemoglobin' by Hamilton Hartridge and Francis John Worsley Roughton Sectional Committee: Not stated [Chemistry] Recommended for publication in the Proceedings of the Royal Society of London B. The subject is of interest to physiologists. [Published in the 'Proceedings of the Royal Society of London' A, 1923] Endorsed on verso as received 19 July 1923. [July 1923]