CONTEXTS 



PART II. REPTILIA 

 CHAPTER VII 



PACE 



Definition* and Charactkrs — Position of thk Class Reptilia in the 



Phylum Vertebrata — Classification — Skull and Vertebrae . . 277 



CHAPTER VIII 

 Proreptilia — PROSAfiUA — Theromorpha 285 



CHAPTER IX 

 Chelonia — Athecae — Thecophora . 312 



CHAPTER X 

 DiNOSAURiA — Crocodilia 412 



CHAPTER XI 

 Plesiosauria — Ichthyo.sauria — Pterosauria — Pythonomorpha . . 473 



CHAPTER XII 

 Sauria— AuTOSAURi or Lacertilia — Lizards - 491 



CHAPTER XIII 

 Sauria {co.vr/.vr£z<)-— Ophidia — Snakes 581 



IXDEX 651 



