Coral Reefs · Charles Darwin
BYRON.
Cagayanes. Candelaria. Cargados Carajos. Caroline archipelago. Caroline island. Carteret shoal. CARYOPHYLLIA, depth at which it lives. Cavilli. Cayman island. Celebes. Ceram. CEYLON, recently elevated. Ceylon. CHAGOS Great Bank, description and theory of. CHAGOS group. Chagos group. CHAMA-SHELLS embedded in coral-rock. CHAMISSO, on corals preferring the surf. CHANGES in the state of Keeling atoll. Of atolls. CHANNELS leading into the lagoons of atolls. Into the Maldiva atolls. Through barrier-reefs. Chase. China sea. CHRISTMAS atoll. Christmas atoll. Christmas island (Indian Ocean). Clarence. Clipperton rock. COCOS, or Keeling atoll. Cocos (or Keeling). Cocos island (Pacific). COCHIN China, encroachments of the sea on the coast. Cochin China. Coetivi. Comoro group. COMPOSITION of coral-formations. CONGLOMERATE coral-rock on Keeling atoll. On other atolls. Coral-rock. COOK islands, recently elevated. Cook islands. CORAL-BLOCKS bored by vermiform animals. CORAL-REEFS, their distribution and absence from certain areas. Destroyed by loose sediment. CORAL-ROCK at Keeling atoll. Mauritius. Organic remains of. CORALS dead but upright in Keeling lagoon. Depths at which they live. Off Keeling atoll. Killed by a short exposure. Living in the lagoon of Keeling atoll. Quick growth of, in Keeling lagoon. Merely coating the bottom of the sea. Standing exposed in the Low archipelago. CORALLIAN sea. Corallian sea. Cornwallis. Cosmoledo. COUTHOUY, Mr., alleged proofs of recent elevation of the Low archipelago. On coral-rock at Mangaia and Aurora islands. On external ledges round coral-islands. Remarks confirmatory of the author’s theory.
CRESCENT-FORMED reefs. Cuba. CUMING, Mr., on the recent elevation of the Philippines. Dangerous, or Low archipelago. Danger islands. DEPTHS at which reef-building corals live. At Mauritius, the Red Sea, and in the Maldiva archipelago. At which other corals and corallines can live. Dhalac group. DIEGO GARCIA, slow growth of reef. DIMENSIONS of the larger groups of atolls. DISSEVERMENT of the Maldiva atolls, and theory of. DISTRIBUTION of coral-reefs. Domingo, St. DORY, Port, recently elevated. Dory, Port. Duff islands. Durour. Eap. EARTHQUAKES at Keeling atoll. In groups of atolls. In Navigator archipelago. EAST INDIAN ARCHIPELAGO, recently elevated. Easter. Echequier. EHRENBERG, on the banks of the Red Sea. On depths at which corals live in the Red Sea. On corals preferring the surf. On the antiquity of certain corals. Eimeo. ELEVATED reef of Mauritius. ELEVATIONS, recent proofs of. Immense areas of. Elivi. ELIZABETH island. Recently elevated. Elizabeth island. Ellice group. ENCIRCLED ISLANDS, their height. Geological composition. EOUA, description of. Eoua. ERUPTED MATTER probably not associated with thick masses of coral-rock. FAIS, recently elevated. Fais. Fanning. Farallon de Medinilla. Farson group. Fataka. FIJI archipelago. FISH, feeding on corals. Killed in Keeling lagoon by heavy rain. FISSURES across coral-islands. FITZROY, Captain, on a submerged shed at Keeling atoll. On an inundation in the Low archipelago. Flint. Flores. Florida. Folger. Formosa. FORSTER, theory of coral-formations.
Frederick reef. Freewill. FRIENDLY group recently elevated. Friendly archipelago. FRINGING-REEFS, absent where coast precipitous. Breached in front of streams. Described by MM. Quoy and Gaimard. Not closely attached to shelving coasts. Of east coast of Africa. Of Cuba. Of Mauritius. On worn down banks of rock. On banks of sediment. Their appearance when elevated. Their growth influenced by currents. By shallowness of sea. Galapagos archipelago. Galega. GAMBIER islands, section of. Gambier islands. Gardner. Gaspar rico. GEOLOGICAL COMPOSITION of coral-formations. Gilbert archipelago. Gilolo. Glorioso. GLOUCESTER Island. Glover reef. Gomez. Gouap. Goulou. Grampus. Gran Cocal. GREAT CHAGOS BANK, description and theory of. GREY, Captain, on sandbars. GROUPING of the different classes of reefs. Guedes. HALL, Captain B., on Loo Choo. HARVEY islands, recently elevated. HEIGHT of encircled islands. Hermites. Hervey or Cook islands. Hogoleu. HOLOTHURIAE (Holuthuriæ) feeding on coral. HOUDEN island, height of. Honduras, reef off. Horn. Houtman Abrolhos. HUAHEINE; alleged proofs of its recent elevation. Huaheine. Humphrey. Hunter. HURRICANES, effects of, on coral-islands. Immaum. Independence. INDIA, west coast, recently elevated. India. IRREGULAR REEFS in shallow seas. ISLETS of coral-rock, their formation. Their destruction in the Maldiva atolls. Jamaica. Jarvis. JAVA, recently elevated. Java. Johnston island. Juan de Nova. Juan de Nova (Madagascar). Kalatoa. KAMTSCHATKA, proofs of its recent elevation. Karkalang. KEELING atoll, section of reef. Keeling, south atoll. North atoll. Keffing.
Kemin. Kennedy. Keppel. Kumi. Laccadive group. LADRONES, or Marianas, recently elevated. Ladrones archipelago. LAGOON of Keeling atoll. LAGOONS bordered by inclined ledges and walls, and theory of their formation. Of small atolls filled up with sediment. LAGOON-CHANNELS within barrier-reefs. LAGOON-REEFS, all submerged in some atolls, and rising to the surface in others. Lancaster reef. Latte. Lauglan islands. LEDGES round certain lagoons. Lette. Lighthouse reef. LLOYD, Mr., on corals refixing themselves. LOO CHOO, recently elevated. Loo Choo. Louisiade. LOW ARCHIPELAGO, alleged proofs of its recent elevation. Low archipelago. LOWNESS of coral-islands. Loyalty group. Lucepara. LUTKE, Admiral, on fissures across coral-islands. LUZON, recently elevated. Luzon. LYELL, Mr., on channels into the lagoons of atolls. On the lowness of their leeward sides. On the antiquity of certain corals. On the apparent continuity of distinct coral-islands. On the recently elevated beds of the Red Sea. On the outline of the areas of subsidence. Macassar strait. Macclesfield bank. MADAGASCAR, quick growth of corals at. Madreporitic rock of. Madagascar. Madjiko-sima. Madura (Java). Madura (India). MAHLOS MAHDOO, theory of formation. MALACCA, recently elevated. Malacca. MALCOLMSON, Dr., on recent elevation of W. coast of India. On recent elevation of Camaran island. Malden. MALDIVA atolls, and theory of their formation. Steepness of their flanks. Growth of coral at. Maldiva archipelago. MANGAIA island. Recently elevated. Mangaia. Mangs. MARIANAS, recently elevated.
Mariana archipelago. Mariere. Marquesas archipelago. Marshall archipelago. Marshall island. Martinique. Martires. MARY’S ST., in Madagascar, harbour made in reefs. Mary island. Matia, or Aurora. MATILDA atoll. MAURITIUS, fringing-reefs of. Depths at which corals live there. Recently elevated. Mauritius. MAURUA, section of. Maurua. MENCHIKOFF atoll. Mendana archipelago. Mendana isles. Mexico, gulf of. MILLEPORA COMPLANATA at Keeling atoll. Mindoro. Mohilla. (Mohila.) MOLUCCA islands, recently elevated. Mopeha. MORESBY, Captain, on boring through coral-reefs. Morty. Mosquito coast. MUSQUILLO atoll. Mysol. NAMOURREK group. Natunas. NAVIGATOR archipelago, elevation of. Navigator archipelago. Nederlandisch. NELSON, Lieutenant, on the consolidation of coral-rocks under water. Theory of coral-formations. On the Bermuda islands. New Britain. NEW CALEDONIA, steepness of its reefs. Barrier-reef of. New Caledonia. New Guinea (E. end). New Guinea (W. end). New Hanover. NEW HEBRIDES, recently elevated. New Hebrides. NEW IRELAND, recently elevated. New Ireland. New Nantucket. Nicobar islands. Niouha. NULLIPORAE at Keeling atoll. On the reefs of atolls. On barrier-reefs. Their wide distribution and abundance. OBJECTIONS to the theory of subsidence. Ocean islands. Ono. Onouafu. (Onouafou.) Ormuz. Oscar group. OSCILLATIONS of level. Ouallan, or Ualan. (Oualan.) OULUTHY atoll. Outong Java. Palawan, S.W. coast. N.W. coast. Western bank. Palmerston. Palmyra. Paracells. Paraquas. Patchow. Pelew islands. PEMBA island, singular form of. Pemba. Penrhyn. Peregrino. PERNAMBUCO, bar of sandstone at. PERSIAN gulf, recently elevated. Persian gulf.
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