| Part I.—Extermination |
| Chapter | | Page |
| I. | Former Abundance Of Wild Life | [ 1 ] |
| II. | Extinct Species Of North American Birds | [ 7 ] |
| III. | The Next Candidates For Oblivion | [ 17 ] |
| IV. | Extinct And Nearly Extinct Species Of Mammals | [ 34 ] |
| V. | The Extermination Of Species, State By State | [ 42 ] |
| VI. | The Regular Army Of Destruction | [ 53 ] |
| VII. | The Guerrillas Of Destruction | [ 63 ] |
| VIII. | The Unseen Foes Of Wild Life | [ 73 ] |
| IX. | Destruction Of Wild Life By Diseases | [ 82 ] |
| X. | Destruction Of Wild Life By The Elements | [ 88 ] |
| XI. | Slaughter Of Song-Birds By Italians | [ 94 ] |
| XII. | Destruction Of Song-Birds By Southern Negroes And Poor Whites | [ 105 ] |
| XIII. | Extermination Of Birds For Women's Hats | [ 114 ] |
| XIV. | The Bird Tragedy On Laysan Island | [ 137 ] |
| XV. | Unfair Firearms And Shooting Ethics | [ 143 ] |
| XVI. | The Present And Future Of North American Big Game—I | [ 156 ] |
| XVII. | The Present And Future Of North American Big Game—II | [ 171 ] |
| XVIII. | The Present And Future Of African Game | [ 181 ] |
| XIX. | The Present And Future Of Game In Asia | [ 188 ] |
| XX. | Destruction Of Birds In The Far East. By C. William Beebe | [ 195 ] |
| XXI. | The Savage Viewpoint Of The GunneR | [ 203 ] |
| Part II.—Preservation |
| XXII. | Our Annual Losses By Insects | [ 208 ] |
| XXIII. | The Economic Value Of Birds | [ 213 ] |
| XXIV. | Game And Agriculture: Deer As A Food Supply | [ 234 ] |
| XXV. | Law And Sentiment As Factors In Preservation | [ 244 ] |
| XXVI. | The Army Of The Defense | [ 247 ] |
| XXVII. | How To Make A New Game Law | [ 258 ] |
| XXVIII. | New Laws Needed: A Roll-Call Of The States—I | [ 265 ] |
| XXIX. | New Laws Needed: A Roll-Call Of The States—II | [ 275 ] |
| XXX. | New Laws Needed: A Roll-Call Of The States—III | [ 283 ] |
| XXXI. | New Laws Needed: A Roll-Call Of The States—IV | [ 292 ] |
| XXXII. | Need For A Federal Migratory Bird Law, No-Sale-Of-Game Law, And Others | [ 304 ] |
| XXXIII. | Bringing Back The Vanished Birds And Game | [ 313 ] |
| XXXIV. | Introduced Species That Have Been Beneficial | [ 324 ] |
| XXXV. | Introduced Species That Have Become Pests | [ 330 ] |
| XXXVI. | National And State Game Preserves And Bird Refuges | [ 335 ] |
| XXXVII. | Game Preserves And Game Laws In Canada | [ 350 ] |
| XXXVIII. | Private Game Preserves | [ 358 ] |
| XXXIX. | British Game Preserves In Africa | [ 364 ] |
| XXL. | Breeding Game And Fur In Captivity | [ 369 ] |
| XLI. | Teaching Wild-Life Protection To The Young | [ 376 ] |
| XLII. | Ethics Of Sportsmanship | [ 382 ] |
| XLIII. | The Duty Of American Zoologists To American Wild Life | [ 386 ] |
| XLIV. | The Greatest Need Of The Cause; And The Duty Of The Hour | [ 393 ] |
| ILLUSTRATIONS |
| | The Folly of 1857 and the Lesson of 1912 | [ Frontispiece ] |
| | Shall We Leave Any One of Them Open? | [ 6 ] |
| | Six Recently Exterminated North American Birds | [ 9 ] |
| | Sacred to the Memory of Exterminated Birds | [ 15 ] |
| | Whooping Cranes in the Zoological Park | [ 19 ] |
| | California Condor | [ 22 ] |
| | Primated Grouse, or "Prairie Chicken" | [ 25 ] |
| | Sage Grouse | [ 26 ] |
| | Snowy Egrets in the McIlhenny Preserve | [ 27 ] |
| | Wood-Duck | [ 29 ] |
| | Gray Squirrel | [ 32 ] |
| | Skeleton of a Rhytina | [ 36 ] |
| | Burchell's Zebra | [ 37 ] |
| | Thylacine, or Tasmanian Wolf | [ 38 ] |
| | West Indian Seal | [ 39 ] |
| | California Elephant Seal | [ 40 ] |
| | The Regular Army of Destruction | [ 55 ] |
| | G.O. Shields | [ 58 ] |
| | Two Gunners of Kansas City | [ 61 ] |
| | Why the Sandhill Crane is Becoming Extinct | [ 62 ] |
| | A Market Gunner at Work on Marsh Island | [ 64 ] |
| | Ruffed Grouse | [ 65 ] |
| | A Lawful Bag of Ruffed Grouse | [ 66 ] |
| | Snow Bunting | [ 68 ] |
| | A Hunting Cat and Its Victim | [ 76 ] |
| | Eastern Red Squirrel | [ 79 ] |
| | Cooper's Hawk | [ 80 ] |
| | Sharp-Shinned Hawk | [ 81 ] |
| | The Cat that Killed Fifty-eight Birds in One Year | [ 81 ] |
| | An Italian Roccolo on Lake Como | [ 95 ] |
| | Dead Song-Birds | [ 104 ] |
| | The Robin of the North | [ 107 ] |
| | The Mocking-Bird of the South | [ 107 ] |
| | Northern Robins Ready for Southern Slaughter | [ 108 ] |
| | Southern-Negro Method of Combing Out the Wild Life | [ 111 ] |
| | Beautiful and Curious Birds Destroyed for the Feather Trade—I | [ 115 ] |
| | Sixteen Hundred Hummingbirds at Two Cents Each | [ 116 ] |
| | Beautiful and Curious Birds Destroyed for the Feather Trade—II | [ 118 ] |
| | Beautiful and Curious Birds—III | [ 123 ] |
| | Fight in England Against the Use of Plumage | [ 128 ] |
| | Young Egrets, Unable to Fly, Starving | [ 132 ] |
| | Snowy Egret Dead on Her Nest | [ 132 ] |
| | Miscellaneous Bird Skins, Eight Cents Each | [ 135 ] |
| | Laysan Albatrosses, Before the Great Slaughter | [ 138 ] |
| | Laysan Albatross Rookery, After the Great Slaughter | [ 139 ] |
| | Acres of Gull and Albatross Bones | [ 140 ] |
| | Shed Filled with Wings of Slaughtered Birds | [ 141 ] |
| | Four of the Seven Machine Guns | [ 144 ] |
| | The Champion Game-Slaughter Case | [ 147 ] |
| | Slaughtered According to Law | [ 149 ] |
| | A Letter that Tells its Own Story | [ 151 ] |
| | The "Sunday Gun" | [ 154 ] |
| | The Prong-Horned Antelope | [ 160 ] |
| | Hungry Elk in Jackson Hole | [ 168 ] |
| | The Wichita National Bison Herd | [ 179 ] |
| | Pheasant Snares | [ 197 ] |
| | Pheasant Skins Seized at Rangoon | [ 198 ] |
| | Deadfall Traps in Burma | [ 199 ] |
| | One Morning's Catch of Trout near Spokane | [ 205 ] |
| | The Cut-Worm | [ 209 ] |
| | The Gypsy Moth | [ 211 ] |
| | Downy Woodpecker | [ 214 ] |
| | Baltimore Oriole | [ 217 ] |
| | Nighthawk | [ 218 ] |
| | Purple Martin | [ 219 ] |
| | Bob-White | [ 221 ] |
| | Rose-Breasted Grosbeak | [ 223 ] |
| | Barn Owl | [ 225 ] |
| | Golden-Winged Woodpecker | [ 227 ] |
| | Kildeer Plover | [ 230 ] |
| | Jacksnipe | [ 230 ] |
| | A Food Supply of White-Tailed Deer | [ 235 ] |
| | White-Tailed Deer | [ 239 ] |
| | Notable Protectors of Wild Life: Madison Grant, Henry Fairfield Osborn, John F. Lacey, and William Dutcher | [ 249 ] |
| | Notable Protectors: Forbush, Pearson, Burnham, Napier | [ 251 ] |
| | Notable Protectors: Phillips, Kalbfus, McIlhenny, Ward | [ 255 ] |
| | Band-Tailed Pigeon | [ 273 ] |
| | Six Wild Chipmunks Dine with Mr. Loring | [ 315 ] |
| | Chickadee, Tamed | [ 316 ] |
| | Chipmunk, Tamed | [ 316 ] |
| | Object Lesson in Bringing Back the Ducks | [ 317 ] |
| | Gulls and Terns of Our Coast | [ 321 ] |
| | Egrets and Herons in Sanctuary on Marsh Island | [ 363 ] |
| | Bird Day at Carrick, Pa | [ 379 ] |
| | Distributing Bird Boxes and Fruit Trees | [ 381 ] |
| MAPS |
| | The Wilderness of North America | [ 155 ] |
| | Former and Existing Ranges of the Elk | [ 164 ] |
| | Map Showing the Disappearance of the Lion | [ 183 ] |
| | States and Provinces Requiring Resident Licenses. | [ 303 ] |
| | Eighteen States Prohibit the Sale of Game | [ 307 ] |
| | Map Used in Campaign for Bayne Law | [ 309 ] |
| | United States National Game Preserves | [ 339 ] |
| | Bird Reservations on the Gulf Coast and Florida | [ 349 ] |
| | Marsh Island and Adjacent Preserves | [ 361 ] |
| | Most Important Game Preserves of Africa | [ 366 ] |