This was a joint meeting of the Cambridge Psychological Society with the British Psychological Society. Professor W. S. Hunter spoke on 'Neural Mechanisms in Behaviour', Dr R. S. Creed on 'Reflex and Other Types of Response', and Dr C. D. Broad on 'Psychical and Physical Causation'. In the morning, the chair was taken by C. S. Myers and J. T. MacCurdy led an afternoon discussion. The notice was issued by G. C. Grindley, Honorary Secretary. The year in which this meeting was held (though not given on the document itself) was inferred by Professor J. Mollon of the Department of Psychology from other sources.