1924. Found in this work are the Oxford Lectures entitled: The Unknowable by George Santayana; Knowing and Acting by J.A. Smith; Immediate Experience and Mediation by Harold H. Joachim; Philosophy and The Christian Religion by Clement C.J. Webb; Scientific Method in Philosophy by Bertrand Russell; Biological Fact and The Structure of Society by W. Bateson; The Evolution of Kinship by E. Sidney Hartland; and The Optimism of Butlers' Analogy by Henry Scott Holland.