Minutes, meeting of the Physiology and Medical Sciences Committee Sir Joseph Barcroft in the chair. Consideration of arragements for publishing papers. Consideration of papers for publication in the Proceedings: W S Bullough, 'Mitotic activity in the adult female mouse, Mus Musculus: a study of its relation to the oestrous cycle in normal and abnormal conditions'. R A M Case, 'Investigations into the nature of the siderocyte. Siderocytes in mammalian blood'. Communicated by L Hogben, FRS. C H Andrewes, FRS, H King, FRS, and J Walker. 'Experimental chemotherapy of typhus. Anti-reckettsial action of p-sulphonamudobenzamidine and related compounds'. p3. 25 January 1945