37,3/7 



Behavior Monographs 



Volumes, Number 4, 1917 Serial Number 15 



Edited by JOHN B. WATSON 



The Johns Hopkins University 



The Effect of Length of Blind Alleys on 

 Maze LeamM^t 



An Experiment on Twenty -Four White 



Rats 



BY 

 JOSEPH PETERSON 



Published 



at Cambridge, Boston, Mass. 



HENRY HOLT & COMPANY 



34 West 33d Street, New York 



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



