xviii LIST OF ILLUSTRATIONS 
Siren Salamander, o'rMud-“Eel” 371 
Skeleton of an American Bison 100 
Skeleton of a Bird of Prey 219 
Skeleton of a Turtle 323 
Skeletons of Man and Gorilla 8 
Skeleton of Pale Bat 60 
Skunk, Common 31 
Skunk, Spotted 31 
Sloth, Two-Toed 160 
Snake-Bird 287 
Snapper, Red 391 
Snipe, Wilson’s 253 
Snow-Bunting 196 
Sparrow, White-Throated 197 
Spermophile, Say’s 73 
Spermophile, Thirteen-Lined 74 
Spermophile, Richardson’s 75 
Spoonbill, Roseate 265 
Squirrel, Eastern Red 71 
Squirrel, Flying 80 
Squirrel, Gray 69 
Squirrel, Southern Fox 70 
Steller’s Duck, Head of 279 
Stickleback, Two-Spined 415 
Sturgeon, Lake 427 
Sucker, Common 412 
Sunfish, Common 383 
Swallow, Barn 195 
Swallow, Cliff, and Nest 194 
Swan, Trumpeter 282 
Swordfish 392 
Synaptomys cooperi, Skin of S5 
Tadpole to Frog, From 361 
Tails of American Deer 129 
Tamandua Ant-Eater 158 
Tanager, Scarlet 195 
Tarpon 406 
Teal, Blue-Winged 270 
Teal, Head of Green-Winged 269 
Tern, Common 297 
Terrapin, Alligator 328 
Tortoise, Box 325 
Tree-Duck, Head of Fulvus 269 
Tree-Frog, Northern 363 
Trigger-Fish 374 
Trout, Brook 399 
Trout, Rainbow 398 
Tuna 389 
Turkey, Virginia Wild 250 
“Turtle,” Musk 326 
“Turtle,” Painted 327 
“Turtle,” Soft-Shelled 329 
“Turtle,” Wood 328 
Vireo, Red-Eyed 190 
Vole, Northwestern 87 
Vulture, California 233 
Vulture, Young California 234 
Wallabay, Rock 164 
Walrus, Pacific 44 
Walrus, Pacific 54 
Walrus, Young Atlantic 55 
Warbler, Yellow 189 
Water-Snake, Red-Bellied 346 
Waxwing, Bohemian 193 
Whales Attacked by Killers 150 
Whale, Bow-Head 147 
Widgeon, Head of American 269 
Wolf, Gray 22 
Wolverine 30 
Woodcock, American 252 
Woodcock on Nest 252 
Woodchuck 79 
Wood-Duck 273 
Woodpecker, Downy 213 
Woodpecker, Golden-Winged 211 
Woodpecker, Red-Headed 212 
Wood Thrush 182 
Wren 187 
Zapus hudsonius , Skin of 85 
MAPS AND CHARTS 
PAGE 
Map of North America Third page of cover 
Landscape Chart of the Orders of Living Mam- 
mals 5 
Map of Annual Migration of the Fur Seal Herd . 48 
Chart of the Hare and Rabbit Family 97 
Range of the Musk Ox 105 
PAGE 
Distribution of Mountain Sheep in North 
America 108 
Distribution of the Prong-Horned Antelope ... 117 
Distribution of the Moose in North America . . . 141 
Landscape Chart of the Orders of North Amer- 
ican Birds - 177 
