ZOOLOGICA 



SCIENTIFIC CONTRIBUTIONS OF THE 

 NEW YORK ZOOLOGICAL SOCIETY 



VOLUME I, NUMBER 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 



