PHILOSOPHICAL STUDIES. The papers in this volume, which have been previously published originally appeared as follows: I. The Refutation of Idealism in Mind, N. S. Vol. xii, 1903. II. The Nature and Reality of Objects of Perception in Pro ceedings oj the Aristotelian Society, 1905-6. III. Professor James Pragmatism in Proceedings of the Aris totelian Society, 1907-8. IV. Humes Philosophy in The New Quarterly, November, 1909. V. The Status of Sense-Data in Proceedings of the Aristotelian Society, 1913-14. VI. The Conception of Reality in Proceedings of the Aristotelian Society, 1917-18. VII. Some Judgments of Perception in Proceedings of the Aris totelian Society 1918-19. IX. External and Internal Relations in Proceedings of the ArisL telian Society, 1919-20. PREFACE: ALL the papers contained in this volume, except the two ethical ones VIII and X, have been previously published and of which have been previously published all, except that on External and Internal Relations IX, are here r