CONTENTS. 137 



Page. 



Part III. — Cretaceous dinosaurs 203 



Theropoda 203 



Dryptosauridie 203 



Ornithomimida; 203 



Ornithomimus 204 



The metatarsals 204 



The pelvic arch 205 



Predentata 206 



Ceratopsidae 206 



Ceratops beds 206 



Triceratops 208 



The skull 208 



The rostral bone 208 



The horn cores 209 



The posterior crest 210 



Base of skull 210 



The lower javcs 211 



The brain 211 



The teeth 211 



Cervical and dorsal vertebra? 212 



The sacrum 212 



The caudal vertebrae 212 



The scapular arch and fore limbs 213 



The pelvis 213 



The posterior limbs 214 



The dermal annor 214 



Torosaurus 214 



The skull 214 



Ceratops 216 



Sterrholophus 216 



Agathaumas 217 



Monoclonius 217 



Restoration of Triceratops 218 



Distinctive characters of group 218 



Claosaurid;e _ 219 



Claosaurus 219 



The skull 219 



The teeth 221 



The brain 222 



The vertebrae 222 



The fore and hind limbs 222 



Restoration of Claosaurus 224 



Trachodontidas 224 



Palaeoscincus 225 



Nodosaurida? 225 



Nodosaurus 225 



Distribution of Ornithopoda 226 



Part IV. — Conclusion 227 



Comparison of characters 227 



Restorations of European dinosaurs 228 



Compsognathus - 228 



Scelidosaurus 229 



Hypsilophodon 230 



Iguanodon 230 



