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ZOOLOGICA 



SCIENTIFIC CONTRIBUTIONS OF THE 

 NEW YORK ZOOLOGICAL SOCIETY 



VOLUME I, NUMBERS 17 & 18. 



No. 17. REVIEW OF THE GENUS GENNAEUS 



By C. William Beebe 

 ^ curator of birds 



No. 18. NOTES ON COSTA RICAN BIRDS 



By Lee S. Crandall 

 assistant curator of birds 



PUBLISHED BY THE SOCIETY 



THE ZOOLOGICAL PARK, NEW YORK 



September, 1914 



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