xiv 



CONTENTS. 



Diemen's Land — Hobart Town — Aborigines all banished — Mount 

 Wellington — King George's Sound — Cheerless aspect of country — 

 Bald Head, calcareous casts like branches of trees — Party of natives — 

 Leave Australia . . . . .515 



CHAPTER XXII. 

 Keeling Island — Singular appearance of — Scanty Flora — Transport of seeds 

 — Birds and insects — Ebbing and flowing springs — Coral formations re- 

 sisting power of ocean — Fields of dead coral — Stones transported by 

 roots of trees — Great crab — Stinging corals — Structure of lagoon islands 

 — Encircling and Barrier reefs — General proofs of subsidence in the 

 Pacific — Theory of lagoon islands caused by subsidence of the land — 

 Pacific and Indian oceans divided into alternate areas of elevation and 

 subsidence — Points of eruption lie within the areas of elevation. 539 



CHAPTER XXTII. 

 Mauritius, beautiful appearance of — Hindoos — Cape of Good Hope — St. 

 Helena — Geology — History of changes in vegetation, probable cause 

 of extinction of land-shells — Ascension — Green Hill — Curious incrusta- 

 tions of calcareous matter on tidal rocks — Bahia — Brazil — Splendour 

 of tropical scenery — Pernambuco — Sii]gular reef — Azores — Supposed 

 crater — Hints to collectors — Retrospect of the most impressive parts of 

 the voyage ...... 570 



Addenda ...... 609 



Index. 



4 



✓ 



