&£ 



n 



^ 





LIST OF PLATES. 



Great Mastodon ..... to face page 66 



Fossil Elephant, found in the ice in Siberia . . .52 



Elephants, comparison of heads . . . . . .57 



Supposed outlines of extinct species . . . .105 



Great Mastodon, jaws of . . . . .70 



Great Mastodon, single teeth of . . . .69 



Comparison of lower jaw and femur of existing and fossil Elephants . 58 



Megatherium . . . . . .132 



Common Anoplotherium restored . . . . 110 



Mastodon with narrow teeth . . . . .74 



Fossil jaw and teeth of Lophiodon . . . .94 



Jaw and upper surface of tooth of the Elasmotherium . . .89 



Head and part of skeleton of Anoplotherium . . . 109 



Skeleton of Ichthyosaurus and Plesiosaurus . ... 343 



Lower jaw of fossil Elephant, with omoplate and femur of Elephant . . 57 

 Great Gavial, Caiman, common Crocodile, and jaw of GaVial . . 200 



Fragment of jaw of Megalosaurus, and single tooth of same . .318 



Posterior upper Tooth of Mastodon, with narrow teeth, young and not pro- 

 truded, &c. . . . . . . 74 



Fossil Hyaena from Kirkdale Cave, &c. . . .124 



Jaw, &c., of Antracotherium, head of Adapis, and teeth of Chaeropotamus 112 

 Fossil Hippopotamus . . . . .77 



Head and upper jaw of existing Hippopotamus, &c. . . . ibid. 



Part of Crocodilus priscus of Soemmering . . . 233 



Lower jaw of fossil Crocodile of Honfleur, &c. . . 242 



Head of middle-sized Palaeotherium . . . . . 1 06 



Part of head of Ichthyosaurus in the British Museum, from Lyme . . 357 

 Head of existing Hippopotamus and of fossil Hippopotamus, found in Kirk- 

 dale Cave . . . . . . 78 



Geosaurus of Manheim . . . . . . 316 



Mosasaurus of Maestricht ..... ibid. 



Crocodile of Caen, and portion of muzzle of the same . . . 234 



Fossil Salamander of (Eningen .... 377 



Plesiosaurus, from Lyme . . . . .365 



Pterodactylus longirostris, from Pappenheim .... 326 



Pterodactylus macronyx, found at Lyme . . . . .331 



