INDEX. 



267 



Channels leading into the 

 lagoons of atolls 45, 46, 



PAGE 



the Maldiva atolls 51, 54 



through barrier-reefs 



Chase .... 

 China sea . . 

 Christmas atoll 

 Christmas atoll 



99: 



129 

 204 

 231 

 164 



118 



Christmas isld. (Indian Ocean) 233 

 Clarence . . . . 195 

 Clipperton rock . . .187 

 Cocos, or Keeling atoll . . 19 

 Cocos (or Keeling) . . 233 



Cocos isld. (Pacific) . . 187 



Cochin China, encroachments 



of the sea on the coast . 161 

 Cochin China . . . 233 



Coettvi . .... 236 

 Comoro group . . .237 



Composition of coral forma- 

 tions .... 148, 149 

 Conglomerate coral-rock on 

 Keeling atoll . . .28 



on other atolls . . 43 



coral-rock . . . 148 



Cook islds., recently elevated, 



165, 174 

 Cook islds. . . . .192 

 Coral-blocks bored by vermi- 

 form animals . . 30, 149 

 Coral-reefs, their distribution 

 and absence from certain 

 areas . . . '83 

 destroyed by loose sedi- 

 ment . . . .89 

 Coral-rock at Keeling atoll 27, 28 



77 

 149 



3i 



108 

 22 

 20 



Mauritius 



organic remains of 



Corals dead but upright in 

 Keeling lagoon . 



depths at which they 



live .... 107, 



off Keeling atoll . 



killed by a short exposure 



living in the lagoon of 



Keeling atoll . 28, 



quick growth of, in Keel- 

 ing lagoon .... 



29 



PAGE 



Corals merely coating the bot- 

 tom of the sea . . 81, 82 

 standing exposed in the 



Low arch. . . .162 

 Corallian sea . . . 158 

 Corallian sea . . . 208 

 Cornwallis .... 205 

 Cosmo ledo . . . . 237 

 Couthouy, Mr., alleged proofs 

 of recent elevation of the 

 Low arch. . . .162 

 on coral -rock at Mangaia 



and Aurora islds. . 107 

 on external ledges round 



coral-islands . . 134 

 remarks confirmatory of 



the author's theory . 162 



Crescent-formed reefs . .142 



Cuba ..... 257 



Cuming, Mr., on the recent 



elevation of the Philippines 170 



Dangerous, or Low arch. . 188 

 Danger islds. . . -195 

 Depths at which reef-building 



corals live . . . 106 



at Mauritius, the Red 



Sea, and in the Maldiva 



arch no 



at which other corals and 



corallines can live . 1 12 

 Dhalac group . . . 246 

 Diego Garcia, slow growth of 



reef . . . . -93 

 Dimensions of the larger 



groups of atolls . . 118, 119 

 Disseverment of the Maldiva 



atolls, and theory of . 58, 139 

 Distribution of coral-reefs . 83 

 Domingo, St. . . .261 



Dory, Port, recently elevated . 169 

 Dory, Port . . . .216 

 Duff islds. .... 208 

 Durour .... 212 



Eap 214 



Earthquakes at Keeling atoll . 34 



