Notes on papers passed for publication in the Proceedings Includes papers by Helen C Grant and K R Rees on the precencerous liver; B C Abbott, A V Hill and J V Howarth on the positive and negative heat production associated with a nerve impulse. E J Denton and Mary Ann Walkep on the visual pigment of the conger eel. A B Alder, G N C Crawford and R G Edwards on the growth of the musculus tibialis anterior in the normal rabbit in relation to the tension-length ratio. D A T Dick and Leah M Lowenstein on osmotic equilibria in human erythrocytes studied by immersion refractory. S J Holt and D G O'Sullivan on studies in enzyme cytochemistry, principles of cytochemical staining methods. S J Holt and P W Sadler on studies in cytochemistry, synthesis of indigogenic substances for esterases. S J Holt and P W Sadler, studies in enzyme cytochemistry, relationships between solubility, molecular association and structure in indigold dyes. S Cotson and S J Holt, studies in enzyme cytochemistry, kinetics of aerial oxidation of indoxyl and some of its halogen derivatives. S J Holt and R F J Withers, studies in enzyme cytochemistry, an appraisal of indigogenic reactions for esterase localisation. M G Sevag and K Ishii on drug-induced reversible and irreversible enzyme alterations underlying drug-resistance;. A V Hill in the priority of the heat production in a muscle twitch. Sir Eric Rideal FRS and FH Taylor on haemolysis acceleration. F W R Brambell FRS, R Halliday and I G Morris on interference by human and bovine serum protein fractions with the absorption of antibodies by suckling rats and mice p2-3. 1957