CONTENTS. 



Pajje. 



Introduction 143 



Part I. — Triassic dinosaurs 146 



Theropoda 146 



Anchisaurida? 147 



Anchisaurus 147 



The skull 148 



The fore limbs 149 



The hind limbs 149 



Anchisaurus solus 149 



Amniosaurus rTT 150 



Eestoration of Anchisaurus 150 



Dinosaurian footprints 151 



Distribution of Triassic dinosaurs 152 



Part II. — Jurassic dinosaurs 152 



Theropoda : 153 



Hallopus 153 



Fore and hind limbs 154 



Coelurus _ 155 



The vertebra:- 155 



The hind limbs 156 



Ceratosaurus 156 



The skull 157 



The brain 159 



The lower iaws 159 



The vertebra: 159 



The scapular arch 160 



The pelvic arch 160 



The metatarsals 162 



Eestoration of Ceratosaurus 163 



Allosaurus 163 



European Theropoda 163 



Sauropoda 164 



Atlantosaurus beds 164 



Families of Sauropoda 165 



Atlantosauridie 166 



Atlantosaurus 166 



Apatosaurus 166 



The sacral cavity 166 



The vertebra- 167 



Brontosaurus 168 



The scapular arch 168 



The cervical vertebra.- 169 



The dorsal vertebree 169 



The sacrum 170 



The caudal vertebra- 171 



The pelric arch 172 



The fore limbs 173 



The hind limbs 173 



135 



