THE ANIMAL BEHAVIOR SERIES. VOLUME I 



THE DANCING MOUSE 



A Study in Animal Behavior 



BY 



ROBERT M. IYERKES, PH.D. 



INSTRUCTOR IN COMPARATIvTT^SYCHOLOGY IN HARVARD 

 UNIVERSITY 





The Cartwright Prize of the Alumni Association of the College of Physicians 

 and Surgeons, Columbia University, was awarded, in 1907, for an Essay 

 which comprised the first twelve chapters of this volume. 



gorfc 



THE MACMILLAN COMPANY 

 1907 



All rights reserved 



