CONTENTS. 



CHAPTER II. 



STRUCTURE OF CORAL REEl-S AND ISLANDS. 



I. Coral Reefs 



1, General Features 



n. Outer Reefs 



in. Formations in the Sea Outside of Barrier Reefs 



IV. Inner Reefs 



V, Channels among Reefs 



VI. Beach Sand Rock 



VII. Drift Sand Rock 



VIII. Thickness of Reefs . 



IX. A flood word for Coral Reefs 



II. Coral Islands 



I. Forms and General Features 

 II, Soundings about Coral Islands 



III. Structuic of Coral Islands . 



IV. Notices of some Coral Islands 



Maldive Archipelago . 



Great Chagos Bank 



Metia, etc. . 



Jar vis's Island 



Birnie's and Swain's Islands 



Otuhu, Margaret, Tehu, Was 



Island 

 Ilonden, or Ilenuake . 

 Taiara, Sydney's, Uuke of \ 

 Fakaafo, Ahii 

 Raraka 

 Kawehe 



Manhii, Aratica, Nairsa or I 

 Florida Reefs and Keys 

 Soundings between Florida R 

 Bahamas 



Salt Key Bank . 

 Bermuda or Somcrs' Island 



)can s 



ngton Isl 



and C 



uba 



and, Ender 



bury' 



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