CONTENTS 



PAGE 



Foreword ....... iii 



PART I 



WHY BIRDS NEED PROTECTION 



CHAPTER 



I. An Introduction to Some Winter Guests i 



II. The Destruction of Birds by the Ele- 

 ments and by Disease io 



III. The Destruction of Birds by Their 



Natural Enemies .... 20 



IV. The Destruction of Birds by Man and 



by Certain Animals for Whose 

 Presence Man is Responsible . 39 



PART II 



WHY IT IS WORTH WHILE TO GIVE BIRDS PROTECTION 



V. The Money Value of Birds . . .81 



VI. The Esthetic and Moral Values of 



Birds 115 



xiii 





