Referee's report by Bertram Hopkinson, on two papers 'The measurement of arterial pressure in man. I.—The auditory method' and 'The measurement of arterial pressure in man. II.—A schematic investigation' by Martin Flack, Leonard Erskine Hill and James McQueen Sectional Committee: Physiology Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Papers have been referred for review on mechanical matters, which are found to be sound. Admits to only having limited understanding of anatomy and physiology. Has some doubts about the conclusions of the first paper. [Both papers published in the 'Proceedings of the Royal Society of London', 1915] No received date. 28 January 1915