CONTENTS 



CHAPTER I. 



PAGE 



Introductory l 



CHAPTER II 



The Skeleton of Bird and Reptile 6 



The fore limb— The breastbone and the bones that meet at 

 the shoulder joint — The ribs— The hind limb— The skull 

 — The vertebral column. 



CHAPTER III. 



Evidence of Relationship to Reptiles 



CHAPTER IV. 

 Connecting Links 4* 



CHAPTER V. 

 The Process of Change from a Reptile to a Bird .... 53 



