Papers passed for publication [Proceedings] Lists papers passed by the Chairman and Secretary of the Physiology Committee: E Ponder, 'On certain correction terms required in the equations for the kinetics of simple haemolysis.' Communicated by Sir Edward Sharpey-Schafer, FRS. E Ponder, 'The kinetics of haemolysis in amboceptor-complement systems'. Communicated by Sir Edward Sharpey-Schafer, FRS. A S Parkes, I W Rowlands, and F W R Brambell, 'Effect of x-ray sterilisation on oestrous in the ferret'. Communicated by C Lovatt Evans. J Needham, 'On the true metabolic rate of the chick embryo and the respiration of its membranes'. Communicated by Sir F Gowland Hopkins, FRS. C H Browning, FRS, J B Cohen, FRS, J N Ashley, and R Gulbransen, 'The antiseptic and trypanocidal action of certain styryl and anil quinoline carboxylamides'. I de Burch Daly and V von Euler, 'The functional activity of the vasometer nerves to the lungs in the dog'. Communicated by C Lovatt Evans, FRS. C Donhoffer and J J R Macleod, FRS, 'Studies in the nervous control of carbohydrate metabolism I, II, III'. F A Askew, R B Bourdillon, H M Bruce, R K Callow, et al, 'Crystalline Vitamin D'. Communicated by H H Dale, Sec RS. p54. December 1931