Papers passed for publication [Proceedings] Lists papers passed by the Chairman and Secretary of the Physiology Committee: M Hill and A S Parkes, FRS, 'Effect of absence of light on the breeding season of the ferret'. W D Wright, 'The measurement and analysis of colour adaptation phenomena'. Communicated by Sir John Parsons, FRS. A Neuberger, 'Electrometric titration of amino-acids in aqueous alcoholic solution'. Communicated by C R Harington, FRS. p91. February 1934