208 



LIST OF ILLUSTRATIONS. 



Page 

 Fossil Skull of Toxodon. . .112 



Ditto 113 



Ditto 113 



Part of lower jaw of Toxodon .113 



Incisor of Ditto 114 



Tooth of Toxodon . . . .115 



Ditto 116 



Ditto 116 



Femur of extinct Australian 



Pachyderm 120 



Molar Tooth of ditto. . . .120 



Ditto 120 



Vascular Apparatus of Whale . 127 

 Skeleton of Dugong . . . .128 

 Skeleton of Manatee. . . .128 



Skull of Dugong 129 



Skull of Manatee 129 



Teeth of Manatee . . . .130 



Teeth of Dugong 131 



Dugong 132 



Manatee 13«J 



Fossil Teeth of Zeuglodon . .135 



Skull of Dolphin 137 



Section of Head of Porpoise . 138 

 Teeth of Porpoise . . . .141 

 Common Porpoise . . . .142 

 Skeleton of Porpoise. . . .143 

 Skull and Tooth of Narwhal . 145 

 The Narwhal . . , . . .147 



Beluga 150 



Spermaceti Whale . . . .152 

 Skull of Spermaceti Whale, in 



profile 154 



Skull of Spermaceti Whale, 



seen from above . , . .154 

 Spermaceti Whale . . . .156 

 Lower Jaw of Spermaceti 



Whale 158 



Skull of Spermaceti Whale, 



seen from below . . . .158 



Page 

 Skull of Spermaceti Whale, 



back view 1 58 



Inside Jaws of Greenland Whale 160 

 Skull of Greenland Whale, 



in profile 161 



Skull of Greenland Whale, 



upper view 161 



Skull of Greenland Whale, un- 

 der view, lower jaw removed 161 

 Skeleton of Greenland Whale 163 

 Greenland Whale . . . .164 

 New Zealand Whale. . . .168 

 Skeleton of Rorqual . . . .170 



Skeleton of Seal 172 



Skull of Seal, upper view . .174 

 Skull of Seal, lower view . . 174 



Skull of Seal 175 



Teeth of Seal 176 



Common Seal 178 



Ditto 178 



Harp-Seal 180 



Immature Harp-Seal . . .181 

 Teeth of Sea-Leopard . . .183 

 Skull of Sea-Leopard . . .183 



Sea-Leopard 184 



Teeth of Crested Seal . . .185 

 Skullof Crested Seal . . .185 



Crested Seal 186 



Teeth of Elephant-Seal. . .188 

 Skull of Elephant-Seal . . .189 

 Elephant-Seals. Males. . .190 

 Elephant-Seal. Female . .191 

 Teeth of Ursine Seal . . . .193 

 Skull of Ursine Seal . . . .194 



Ursine Seal 195 



Skull of Sea-Lion 196 



Forster's Sea- Lion . . . .197 

 Skull and Lower Jaw of Walrus 200 

 Molars and Tusk of Walrus. . 2C1 

 Walrus, or Morse 203 



END OF VOL. III. 



London : Printed by W. Clowes and Sotfs, Stamford Street. 



