viii CONTENTS 



CHAPTER PAGE 



XXI. — The Conservation of Birds. — I. The Non-Game-Birds 255 



XXII. — The Conservation of Birds. — II. The Game-Birds 271 



XXIII. — Preventing the Depredations of Birds . . . 293 



XXIV. — Encouraging the Presence of Birds 304 



APPENDIX 



I. — The Bird Law of the American Ornithologists' Union 317 



II.— The Lacev Bird Law . . . . 320 



III. — Some Fundamental Principles of Bird Laws . 323 

 IV. — A Partial Bibliography of the Economic Belations of 



North American Birds 326 



Index . . . . 375 



