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NATIONAL ZOOLOGICAL 
THE INTERNATIONAL SCIENTIFIC SERIES. 
ANIMAL INTELLIGENCE. 
i 
BY 
GEORGE J. ROMANES, M. A., LL. D., F. R. S., 
ZOOLOGICAL SECRETARY OF TILE L1NNEAN SOCIETY. 
NEW YORK: 
APPLETON AND COMPANY, 
1, 3, and 5 BOND STBEET. 
18 9 2 . 
