xii LIST OF ILLUSTRATIONS 
TEXT ENGRAVINGS 
MAMMALS 
PAGE 
Sibbald’s Fin-Whale, ... 1 
Skeleton of Greenland Whale, . . 2 
The Greenland Whale, ... 7 
Section of Skull of Greenland Whale, . 8 
Skeleton of Fin-Whale, . . .18 
The Lesser Fin-Whale, . . .19 
The Common Fin-Whale, . . .21 
Skeleton of Sperm-Whale, . . 24 
The Sperm-Whale, . . .26 
Skull of a Bottlenose-Whale, . . 30 
Bottlenose-Whale, . . . .32 
Skull of Sowerby’s Whale, . . 34 
Skull of the Physodon, . . .36 
The Gangetic Dolphin, . . .38 
The Amazonian Dolphin, . . .40 
Skeleton of Dolphin, . . .41 
A School of Narwhals, . . .42 
The White Whale, . . .44 
The Common Porpoise, . . .46 
Porpoise Diving, . . . .47 
Heaviside’s Dolphin, . . .49 
Teeth of the Killer, . . .51 
The Killer, . . . .52 
The Blackfish, . . . .54 
Risso’s Dolphin, . . . .56 
The Pacific Short-Beaked Dolphin, . 57 
The Common Dolphin, . . .59 
Red-Bellied Dolphin, . . .60 
The Slender Dolphin, . . .60 
Bottle-Nosed Dolphin, . . .61 
The Rough-Toothed Dolphin, . . 62 
The Pale River-Dolphin, . . .63 
Skull of Prairie-Marmot, . . .66 
Skeleton of Squirrel, . . .69 
The Fulgent Flying Squirrel, . . 69 
The Abyssinian Spiny Squirrel, . . 71 
The European Squirrel, . . .73 
The Ira wadi Squirrel, . . .76 
The Common Chipmunk, . . .78 
The Common Suslik, . . .80 
The Prairie-Marmot, . . .82 
The Alpine Marmot, . . .88 
American Flying Squirrel, . . 91 
Skeleton and Jaws of Beaver, . . 96 
Skeleton and Molars of Dormouse, . 104 
The Common. Dormouse, . . .105 
The Squirrel-Tailed and Garden-Dor¬ 
mouse, . . . . .107 
Skeleton of Garden Dormouse, . .109 
Skeleton of Jerboa, . . .110 
PAGE 
The Kirghiz Jerboa, . . .113 
Egyptian Jerboa, . . . .114 
The African Jumping Hare, . . 115 
Skeleton of Jumping Hare, . 116 
Skeleton and Molars of Brown Rat, . 118 
Jaw and Teeth of Gerbil, . . .119 
Egyptian Gerbil, . . . .120 
The Hamster, .... 123 
Teeth of Vole, .... 129 
The Water-Vole, .... 130 
The Continental Field-Vole, . . 131 
The Alpine Vole, . . . .133 
The Norwegian Lemming, . .135 
The Musquash, . . . .137 
The Brown Rat, .... 140 
The Black Rat, . . . .142 
The House Mouse, . . 143 
The Barbary Mouse, . . .145 
The Great Mole-Rat, . . .148 
The Common Pocket Gopher, . . 151 
The Common Kangaroo-Rat, . .152 
Skeleton of the Cane-Rat,. . .154 
The Degu, ..... 156 
The Magellanic Tucotuco, . .157 
The Coypu, .... 158 
The Hutia-Couga, .... 160 
The Cane-Rat, . . . .161 
Skeleton of Porcupine, . . . 163 
The Canadian Porcupine, . . . 164 
Brazilian Tree-Porcupine,. . .165 
Mexican Tree-Porcupine, . . .166 
Common Porcupine, . . .167 
African Brush-Tailed Porcupine, . . 168 
The Chinchilla, . . . .170 
The Short-Tailed Chinchilla, . .171 
Cuvier’s Chinchilla, . . .172 
The Viscacha, .... 173 
A Viscachera, . . . .174 
Skeleton and Skull of Aguti, . . 175 
The Common Aguti, . . . . 176 
Skull of Paca, . . . .177 
The Paca, ..... 178 
The Guinea-Pig, . . . .181 
Skeleton and Teeth of Hare, . .189 
Siberian Pica, . . . .190 
Hare in its Form, .... 192 
Common Hare, .... 194 
Mountain-Hare, . . . .195 
Rabbit, . . . . .198 
Lop-Eared Rabbit, . . . 200 
