Referee's report by William Maddock Bayliss, 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 'Proceedings of the Royal Society of London'. Any criticism applied to these papers could be equally applied to papers already published in the Proceedings. The tracings and illustrations are more important than the interpretation. [Both paper published in the 'Proceedings of the Royal Society of London', 1915] Endorsed on verso as received 1 Janauary 1915. [January 1915]