THE ANIMAL BEHAVIOR SERIES. VOLUME II 



THE ANIMAL MIND 



A Text-book of Comparative 

 Psychology 



BY 



MARGARET FLOY WASHBURN, Ph.D. 



PROFESSOR OF PSYCHOLOGY IN VASSAR 

 COLLEGE 



SECOND EDITION 



WeiB garfe 



THE MACMILLAN COMPANY 



1917 



\ 



All rights rturved V i ' i v K' i I ! 



^ UNi \l\ ;! ', < ! 



