The Play of Man

BY KARL GROOS PROFESSOR OF PHILOSOPHY IN THE UNIVERSITY OF BASEL AUTHOR OF THE PLAY OF ANIMALS TRANSLATED WITH THE AUTHOR’S CO-OPERATION By ELIZABETH L. BALDWIN WITH A PREFACE BY J. MARK BALDWIN, Ph. D., hon. D. Sc. (Oxon.) PROFESSOR IN PRINCETON UNIVERSITY
NEW YORK D. APPLETON AND COMPANY 1901
Copyright, 1901, By D. APPLETON AND COMPANY.

A notable thing about the present volume, considered in relation to the Play of Animals, is the modification of the theory of play as respects its criteria—a point fully explained by the author in his Introduction (see especially p. 5).
Intrinsically the work will be found a worthy companion to The Play of Animals, a book which has already become famous.
J. Mark Baldwin.
Princeton University, February, 1901 .

In this work my aim is to present the anthropological aspects of the same subject treated of in my psychological investigation of animal play, published in 1896, which may be said to have been a pioneer attempt in its department. In the discussion of human play, however, I am supported by valuable philosophical works, among which I acknowledge myself especially indebted to those of Schaller, Lazarus, and Colozza. In regard to the standpoint from which I approach the general problem of play, it is hardly necessary for me to speak at length here. It is the same practice theory on which I intrenched myself in the earlier work. The difficulties in its way, arising from our as yet imperfect understanding of human impulse life, are fully allowed for in the introduction to the first section, and I am convinced that the results attained by its adoption will, on the whole, justify the method of treatment which I have chosen.
Since it was my interest in æsthetics which first induced me to turn my attention to the subject of play, it is natural that the æsthetic phase of the question should be conspicuous in this volume. Still, I wish it to be distinctly understood that my inquiry has not been conducted solely in obedience to such leadings, nor should it be judged exclusively by æsthetic criteria. I have intentionally left many questions open for more mature consideration, at some future time, when I can give to them more thought than was possible in the year’s study which I have devoted to play phenomena.