The criticisms and comments which have been made from time to time, as seemed appropriate, may be considered pertinent or irrelevant according to the views of the reader. It is hoped that they are not entirely aside from the mark, and that they do not interfere with a fair presentation of the author's views. The last chapter is devoted to a direct criticism of Professor Dewey's functionalism, with some comments on the general nature of philosophical method. Since this thesis was written, Professor Dewey has published two or three books and numerous articles, which are perhaps more important than any of his previous writings. The volume of _Essays in Experimental Logic_ (1916) is a distinct advance upon _The Influence of Darwin on Philosophy and Other Essays_, published six years earlier. Most of these essays, however, are considered here in their original form, and the new material, while interesting, presents no vital change of standpoint. It might be well to call attention to the excellent introductory essay which Professor Dewey has provided for this new volume. Some mention might also be made of the volume of essays by eight representative pragmatists, which appeared last year (1917) under the title, _Creative Intelligence_. My comments on Professor Dewey's contribution to the volume have been printed elsewhere.[1] It has not seemed necessary, in the absence of significant developments, to extend the thesis beyond its original limits, and it goes to press, therefore, substantially as written two years ago. I wish to express my gratitude to the members of the faculty of the Sage School of Philosophy for many valuable suggestions and kindly encouragement in the course of my work. I am most deeply indebted to Professor Ernest Albee for his patient guidance and helpful criticism. Many of his suggestions, both as to plan and detail, have been adopted and embodied in the thesis, and these have contributed materially to such logical coherence and technical accuracy as it may possess. The particular views expressed are, of course, my own. I wish also to thank Professor J. E. Creighton especially for his friendly interest and for many suggestions which assisted the progress of my work, as well as for his kindness in looking over the proofs. D. T. HOWARD. EVANSTON, ILLINOIS, June, 1918. FOOTNOTE: [1] "The Pragmatic Method," _Journal of Philosophy, Psychology, and Scientific Methods_, 1918, Vol. XV, pp. 149-156. CONTENTS CHAPTER PAGE I. "Psychology as Philosophic Method" 1 II. The Development of the Psychological Standpoint 15 III. "Moral Theory and Practice" 33 IV. Functional Psychology 47 V. The Evolutionary Standpoint 59 VI. "Studies in Logical Theory" 72