F. ANGELL, Leland Stanford, Jr., University; H. BEAUNIS, Univer-
sities of Nancy and Paris; A. F. CHAMBERLAIN, Clark Uni-
versity; V. HENRI, Paris; C. F. HODGE, Clark Uni-
versity; A. KIRSCHMANN, University of Toronto;
O. KÜLPE, University of Würzburg; W. B.
PILLSBURY, University of Michigan; G. W.
STÖRRING, University of Leipzig;
A. WALLER, London.

VOL. XI.

CLARK UNIVERSITY, WORCESTER, MASS.

LOUIS N. WILSON, Publisher.

1899-1900.