EDITORIAL PREFACE; PREFACE; CONTENTS; THE RELATION BETWEEN INDUCTION AND PROBABILITY; CRITICAL NOTICE of J.M. Keynes, A Treatise on Probability; CRITICAL NOTICE of W.E. Johnson, Logic, Part II (abridged); MR. JOHNSON ON THE LOGICAL FOUNDATIONS OF SCIENCE; THE PRINCIPLES OF PROBLEMATIC INDUCTION; THE PRINCIPLES OF DEMONSTRATIVE INDUCTION; MECHANICAL AND TELEOLOGICAL CAUSATION; CRITICAL NOTICE of R. von Mises, Wahrscheinlichkeit, Statistik, und Wahrheit; CRITICAL NOTICE of Wm. Kneale, Probability and Induction; BROAD ON INDUCTION AND PROBABILITY; REPLIES TO MY CRITICS.