ZOOLOGICA 



SCIENTIFIC CONTRIBUTIONS OF THE 

 NEW YORK ZOOLOGICAL SOCIETY 



VOLUME I, NUMBERS 5, 6 



RACKET FORMATION IN TAIL-FEATHERS 

 OF THE MOTMOTS 



THREE CASES OF SUPERNUMERARY TOE 

 IN THE BROAD-WINGED HAWK 



By C. William Beebe 

 Curator of Birds 



PUBLISHED BY THE SOCIETY 

 THE ZOOLOGICAL PARK, NEW YORK 



January 15, 1910 



