Minutes, meeting of the Sectional Physiology Committee Professor C R Harington in the chair. Consideration of papers for publication: W S Stiles, 'The directional sensitivity of the retina and the spectral sensitivities of the rods and cones'. Communicated by Sir Herbert Parsons, FRS. C Rimington, 'A reinvestigation of turacin, the copper porphyrin pigment of certain birds belonging to the Musophagidae'. Communicated by Sir Henry Dale FRS. F C Courtice, C G Douglas, FRS, and J G Priestly, 'Carbohydrate metabolism and muscular exercise'. H B Fell and H Grumeberg, 'The histology and self-differentiating capacity of the abnormal cartilage in a new lethal mutation in the rat'. Communicated by J B S Haldane, FRS. W J C Lawrence, J R Price, G M Robinson and R Robinson, FRS, 'The distribution of anthocyanins in flowers, fruits and leaves'. Decision to send two papers to further referees. p156-7. 19 January 1939