Papers passed for publication [Proceedings] Lists papers passed by the Physiology Committee: N T Werthessen and G Pincus, 'An analysis of the mechanism of oestrogenic activity'. Communicated by F H A Marshall. A V Hill, FRS, 'The heat of shortening and the dynamic constants of muscle'. J Mellanby, FRS, and S F Suffolk, 'A quantitative investigation into the enterohepatic circulation of bile salts in the cat'. T Mann and D Keilin, FRS, 'Haemocuprin and hepatocuprein copper-protein compounds of blood and liver in mammals. p153. September 1938