138 CONTENTS. 



Part IV. — Conclusion — Continued. I'age. 



Affinities of dinosaurs 231 



with Aetosauria 231 



with Belodontia 232 



with Crocodilia 232 



with birds 237 



Part V. — Classification of Dinosauria '. 237 



Theropoda 239 



Sauropoda 241 



Predentata 242 



Postscript 244 



