CONTENTS OF THE FIKST VOLUME. 



CHAPTER JV. 



ON ZOOLOGICAL REGIONS. 



Principles upon which Zoological Regions should be formed (p. 53) — Which class 

 of Animals is of most importance in determining Zoological Regions (p. 56)— 

 Various Zoological Regions proposed since 1857 (p. 58)— Discussion of proposed 

 Regions (p. 61)— Reasons for adopting the Six Regions first proposed by Mr. 

 Sclater (p. 63)— Objections to the system of Circumpolar Zones (p. 67)— Does 

 the Arctic Fauna characterise an independent Region (p. 68)— Palsearctic Region 

 (p. 71)— Ethiopian Region (p. 73)— Oriental Region (p. 75)— Australian Re- 

 gion (p. 77)— Neotropical Region (p. 78)— Nearctic Region (p. 79)— Observations 

 on the series of Sub-regions (p. 80) 50—82 



CHAPTER V. 



CLASSIFICATION AS AFFECTING THE STUDY OF GEOGRAPHICAL DISTRIBUTION. 



Classification of the Mammalia (p. 85)— Classification of Birds (p. 92) — Classifica- 

 tion of Reptiles (p. 98) — Classification of Amphibia (p. 100) — Classification of 

 Fishes (p. 101) — Classification of Insects (p. 102) — Classification of Mollusca 

 (p. 104) 83—104 



PAET II. 



ON THE DISTRIBUTION OF EXTINCT ANIMALS. 

 CHAPTER VI. 



THE EXTINCT MAMMALIA OF THE OLD WORLD. 



Historic and Post-pliocene Period (p. 110)— Pliocene Period (p. 112)— General 

 Conclusions as to the Pliocene and Post-pliocene Faunas of Europe (p. 113) — 

 Miocene Period (p. 114)— Extinct Animals of Greece (p. 115)— Miocene Fauna 

 of Central and "Western Europe (p. 117)— Upper Miocene Deposits of India 

 (p. 121)— General Observations on the Miocene Faunas of Europe and Asia 

 (p. 123)— Eocene Period (p. 124)— General Considerations on the Extinct 

 Mammalian Fauna of Europe (p. 126) 107—128 



