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THE
AMERICAN
Journal of Psychology
EDITED BY
E. C. SANFORD
Clark University.ANDE. B. TITCHENER
Cornell University.
WITH THE CO-OPERATION OF
F. Angell, Stanford University; H. Beaunis, Universities of Nancy
and Paris; I. M. Bentley, Cornell University; A. F. Chamberlain,
Clark University; C. F. Hodge, Clark University;
A. Kirschmann, University of Toronto;
O. Kuelpe, University of Würzburg;
W. B. Pillsbury, University of Michigan;
A. D. Waller, University of London;
M. F. Washburn, Vassar
College.
VOL. X X I
CLARK UNIVERSITY, WORCESTER, MASS.
Florence Chandler, Publisher
1910