ILLUSTRATIONS. 



xvn 



DIAGRAM 



CI. 



CII. 



cm. 

 civ. 

 cv. 

 cvi. 



CVII. 

 CVIII. 



crx. 

 ex. 



CXI. 



cxn. 



CXIII. 



cxiv. 

 cxv. 



CXVI. 

 CXVII. 

 CXVIII. 

 CXIX. 



cxx. 



CXXI. 

 CXXII. 

 CXXIII. 

 CXXIV. 



cxxv. 



CXXVI. 

 CXXVII. 



CXXVIII. 

 CXXIX. 



cxxx. 



CXXXI. 

 CXXXII. 



PAGE 



Humerus of Ceteosaurus (young) .. .. .. ..273 



Humerus of Ceteosaurus 274 



Ulna of Ceteosaurus (three views) .. .. .. .. .. 275 



Pelvic Girdle of Ceteosaurus .. .. .. .. .. .. 277 



Ilium of Ceteosaurus (external) .. .. .. .. ..278 



Ilium of Ceteosaurus (edgeways) . . . . . . . . . . 2 79 



Ilium of Ceteosaurus (internal) .. .. ... .. .. 279 



Femora and Fibula of Ceteosaurus .. .. .. .. ..281 



Tibia of Ceteosaurus (four views) .. .. .. .. 282 



Tibia of young Ceteosaurus (two views) .. . .- .. .. 283 



Foot-Bones of Ceteosaurus, Megalosaurus, and Crocodile .. .. 286 



Foot-Bones of Ceteosaurus (three views) .. .. .. .. 288 



Cervical Vertebrae of Plesiosaurus Oxoniensis . . . . . . 308 



Dorsal Vertebrae of Plesiosaurus Oxoniensis (four views) . . . . 309 



Caudal Vertebrae of Plesiosaurus Oxoniensis .. .. .. 310 



Pelvic Girdle of Plesiosaurus Oxoniensis .. .. .. 310 



Paddle of Plesiosaurus Oxoniensis .. .. .. .. .. 312 



Cervical Vertebrae of Plesiosaurus plicatus (sideways) .. .. 313 



Cervical Vertebrae of Plesiosaurus plicatus (three views) . . . . 313 



Paddle of Plesiosaurus eurymerus .. .. .. 3*5 



Paddle of Pleiosaurus grandis . . . . . . 3 ' 7 



Lower Jaw of Pleiosaurus grandis .. .. .. ..318 



Anterior Extremity of Upper Jaw of Megalosaurus . . .. 320 



Anterior Dorsal of Streptospondylus Cuvieri .. .. 321 



Wood from Kimmeridge clay .. .. .. .. .. 329 



Anterior Cervical Vertebra of Ichthyosaurus trigonus (three 



views) .. ,. ,. .. .. 335 



Posterior Cervical Vertebra of Ichthyosaurus trigonus (three 



views) 



336 

 337 



Anterior Caudal of Ichthyosaurus trigonus (three views) . . 



Cervical Vertebra of Ichthyosaurus thyreospondylus (three views) 337 



Anterior Dorsal of Ichthyosaurus thyreospondylus (four views) 338 



Caudal Vertebra of Ichthyosaurus thyreospondylus (two views) . . 338 



Tooth of Ichthyosaurus or Polyptychodon .. .. .. .. 340 



