Agenda, meeting of the Physiology Sectional Committee Lists papers to be considered for publication: A W Porter and F W Edridge-Green, 'Negative after-images and successive contrast with pure spectral colours'. B Blacklock and W Yorke, 'The trypanosomes causing dourine'. B Moore and T A Webster, 'Synthesis by sunlight in relationship to the origin of life'. Leonard Hill, J McQueen and W W Ingram, 'The resonance of the tissues as a factor in the transmission of the pulse and in blood pressure'. 3 July 1913