Minutes, meeting of the Physiology and Medical Sciences Committee Professor E D Adrian in the chair. Committee business, including consideration of papers for publication: B Woolf, 'The reaction between type II pneumococcus antiserum and a glucuronide azo-protein'. Communicated by J B S Haldane, FRS. B Woolf, 'Quantitative studies on the effect of haptenes on the reaction between antigens and antibodies'. Communicated by J B S Haldane, FRS. J Hammond, FRS, and K Wodzicki, 'Anatomical and histological changes during the oestrous cycle in the mare'. p173. January 1941