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because they are, as it were, tools forged by it for its own devel- opment and perfecting.

We are tempted to follow farther the application of the principles and categories of functional psychology in the inter- pretation of the phenomena of the social life, but the scope of this paper does not permit. Criticism of theories which do not seem to accord with the point of view of this article must also be left till a later date. In the meanwhile, if this article suc- ceeds in arousing a candid and careful consideration of its chief proposition, namely, that a social psychology can be constructed upon the fundamental principles and categories of a functional psychology of the individual, its main purpose will be accom plished. What we have said has been in the way of illustrating this proposition. It has been an attempt to demonstrate the possibility of constructing, rather than to construct, such a social psychology.

Charles A. Ellwood.

The University of Chicago.