CONTENTS 
Historica, Review. 
List oF ABBREVIATIONS. 5 : ; : ‘ 
PLAN oF THE WoRK. 
INTRODUCTION 
CuaptTer I.—Wuy WE Soup Srupy Birps 
Cxuapter II.—A Worp To THE BEGINNER 
Finding and Naming Birds. ; 
The Equipment of the Field Student 
Collecting Birds, Their Nests and Eggs 
American Ornithological Societies 
Current Ornithological Magazines 
Cuarter III.—Tue Srupy or Birps in NaTuRE 
The Distribution of Birds 
The Migration of Birds - 3 . é 
The Voice of Birds é 3 ‘ ; : 7 
The Nesting Season 
The Plumage of Birds 
The Food of Birds : 
General Activities of the Adult Bird 
THE BIRDS OF NORTH AMERICA EAST OF THE NINE- 
TIETH MERIDIAN 
Key To ORDERS AND FAMILIES. ‘ © 
Fretp Key Tro Lanp Birps : q ‘i s 7 
I. OrpeRr Pyrcoropss: Diving Birds 
1. Family Colymbide: Grebes 
2. Family Gaviide: Loons . : 
3. Family Alcide: Auks, Murres, and Puffing 
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