THE JOURNAL 



OF 



ANIMAL BEHAVIOR 



VOLUME 5, 1915 



EDITORIAL BOARD 



Madison Bentley 



University of Illinois 



Harvey A. Carr 



The University of Chicago 

 Editor of Reviews 



Gilbert V. Hamilton 



Santa Barbara, California 



Samuel J. Holmes 



The University of California 



Walter S. Hunter 



The University of Texas 



Herbert S. Jennings 



The Johns Hopkins University 



Edward L. Thorndike 



Teachers College, Columbia University 



Margaret F. Washburn 



Vassar College 



John B. Watson 



The Johns Hopkins University 



William M. Wheeler 



Harvard University 



Robert M. Yerkes, Harvard University 



Managing Editor 



Published Bi-monthly 



at Cambridge, Boston, Mass. 



HENRY HOLT & COMPANY 



34 West 33d Street, New York 



G. E. STECHERT & CO., London, Paris and Leipzig, Foreign Agents 



Entered as second-class matter March 7, 1911, at the post-office at Cambridge, Boston, 

 Massachusetts, under the act of March 3, 1879 



