I 
CONTENTS for SEPTEMBER, 1923 
Fork-tailed Galapagos Gulls. .... Frontispiece 
Department of Tropical Research, Contributions 145, 146 
Galapagos Reptiles and Birds. ..... William Beebe 99 
A New Venezuelan Collection.. .. 107 
Breeding the Gibbon in Captivity. 107 
Business Woman’s Badge of Gentility... 107 
Mexico’s National Zoological Park. William T. Hornaday 108 
Mexican Big Game Protected... 110 
My Animal Friends.... .Helen Keller 111 
I — My Acquaintance with Domestic Animals 
II—My Acquaintance with Zoological Park Animai.s 
Poisonous Snakes and Anti-venomous Serums. Raymond L. Ditmars 118 
Department of Tropical Research, Contribution 147 
Capturing a Giant Tortoise. John Tee-Van 123 
Land Iguana 
Young Fork-Tailed Gull 
Head of Iguana 
Galapagos Penguin 
Sindbad 
Ground Lizard 
Galapagos Lizard 
Giant Marine Iguana 
Galapagos Mocking Bird 
Galapagos Tortoise Swimming 
Harpy Eagle . 
Testudo Epphipium 
Harrison Cove 
Site of Mexican Zoological Park 
Personages at Cornerstone Laying of 
Mexican Zoological Park 
Laughing Hyena 
Miss Keller and Giraffes 
Miss Keller Studying Forms 
A Solemn Bear 
A Modern Snake Farm 
Snake Shelter 
Extracting Venom 
Viper Venom and Fangs 
Anti-Venomous Serums 
The Slopes of Duncan 
Landing Place, Duncan Island 
Giant Tortoise 
An Interested Audience 
Photograph by Elwin R. Sanborn Cover 
ZOOLOGICAL SOCIETY BULLETIN 
Published by the New York Zoological Society 
111 Broadway, New York City 
Copy, 25 cents Bi-monthly Yearly, $1.50 
