CONTENTS 



Plate of WBcmB a N Meadowlark Frontispiece 



Preface 5 



List of Illustrations 8 



Regents of Education 10 



Survey Staff 10 



Letter of Transmittal 11 



Part I 



The Importance of Bird Study 14 



Bird Houses 17 



The Bird Bath 19 



The Food Box 20 



How Birds Work for Us 22 



Bird Enemies 24 



Protective Coloration '. 28 



Changes of Plumage 32 



Bird Migration 34 



Part II 



List and Description of Birds of South Dakota 43 



Part III 



Bibliography 139 



