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Y 



THE ANIMAL BEHAVIOR SERIES. VOLUME I 



THE DANCING MOUSE 



A Study in Animal Behavior 



BY 



ROBERT M. YERKES, Pn.D. 



INSTRUCTOR IN COMPARATIVE PSYCHOLOGY IN HARVARD 



UNIVERSITY 





V 



ff 



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. 



Nefcr gorfc 



THE MACMILLAN COMPANY 

 1907 



All rights reserved 



