Papers passed for publication [Proceedings] Lists papers passed by the Chairman and Secretary of the Physiology Committee: E Hindle, 'The development of various strains of Leishmania in Chinese sandflies'. Communicated by H H Dale, Sec RS. T C Angus, F A Askew, R B Bourdillon, H M Bruce, R K Callow, C Fischman, J St L Philpot and T A Webster, 'A crystalline antirachitic substance'. Communicated by H H Dale, Sec RS. R J Pumphrey, 'The potential difference across the surface buonding the unfertilised egg of the brown trout'. Communicated by J Gray, FRS. S Adler and O Theodor, 'Investigations on Mediterranean Kala-Azar'. Communicated by H H Dale, Sec RS. p46. 20 May 1931