THE
AMERICAN
Journal of Psychology
EDITED BY
G. STANLEY HALL.
E. C. SANFORD,
Clark University.
AND
E. 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, Univeristy of Würzburg; W. B. Pillsbury, University of Michigan; A. D. Waller, University of London; M. F. Washburn, Vassar College.
VOL. XV.
CLARK UNIVERSITY, WORCESTER, MASS.
Louis N. Wilson, Publisher.
1904.
