M UTE S W A N S 



CONTENTS for JULY, 1919 



Mute Swans Frontispiece 



An Okapi Reared in Captivity Herbert Lang 71 



The Frigate-Bird Post Avicultural Magazine 73 



Tropical Research Station ... William Heche 74 



W. Reid Blair, D.V.S William T. Hornaday 77 



How Birds of Paradise Are Caught ivicultural Magazine 83 



Murder of the Birds London Observer 87 



III us tra t i o n 



Adult Female Okapi 



Bleating for His Mother 



Brood of Young Emus 



Major W. Reid Blair, D.V.S 



An Insectivorous Plant 



Patch of Southern Pitcher Plants. 



An Intimate View of Plants. 



Tops of Fully Developed Plants. 



Zebra and Young 



Bactrian Camels 



Chilian Sea Eagle 



Keller Food Station 



Bears 



Zebra and Young Co 



Herbert Lang 

 Herbert Lang 



Raymond L. Diimars 80 



Flower of Plant. 

 Sectioning tiik Stems. 

 Sections and Whole Stems. 



..Ernest F. Keller 



ZOOLOGICAL S O C I E T Y B U L L E T I N 



Published by the New York Zoological Society 



1 1 1 Broadway. New York City 



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