CONTENTS 



PAGE 



Preface v 



Scheme of the Classification adovted in this Book . • . . xi 



PART I. AMPHIBIA 



CHAPTEE I 



Chakacteus and Definition — Position of the Class Amphibia in the 

 Phylum Vektebrata — Historical Account of the Classification of 

 Amphibia 3 



CHAPTER II 



Skeleton of Urodela and Anura — Skin — Colour-changing Mechanism — 

 Poison-glands — Spinal Nerves — Respiratory Organs — Suppression 

 of Lungs — Urino-genital Organs — Fecundation — Nursing Habits 

 — Development AND Metamorphosis 11 



CHAPTER III 



Neoteny — Regeneration — Temperature — Geographical Distribution . 63 



CHAPTER IV 

 Stegocephali or Labyrinthodonts— Lissamphibia — Apoda ... 78 



CHAPTER V 



Lissamphibia (continued) — Urodela 94 



CHAPTER VI 



Lissamphibia (continued) — Anura 138 



