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THE INTERNATIONAL SCIENTIFIC SERIES. 



ANIMAL INTELLIGENCE. 





BY 



GEORGE J. ROMANES, M. A., LL.D., F.R.S., 



ZOOLOGICAL 8ECKETABY OF THK LINNEAN SOCIETY. 



NEW YORK: 

 D. APPLETON AND COMPANY, 



1, 8, AND 5 BOND STBEET. 



1884. 



