The structure and distribution of coral reefs. Being the first part of the Geology of the voyage of the Beagle, under the command of Capt. Fitzroy, R.N. during the years 1832 to 1836 / [Charles Darwin].

  • Charles Darwin
Date:
1842
Catalogue details

Licence: Public Domain Mark

Credit: The structure and distribution of coral reefs. Being the first part of the Geology of the voyage of the Beagle, under the command of Capt. Fitzroy, R.N. during the years 1832 to 1836 / [Charles Darwin]. Source: Wellcome Collection.

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    Fringing-reefs, ] on banks of sediment, 68 their appearance when elevated, 54 their growth influenced by currents, . 68 by shallowness of sea, 57 « i Galapagos arch., 151 Galega, 185 Gambler islds. section of, 48 Gambier islds., 152 Gardner, 157 Gaspar rico, 163 Geological composition of coral-forma- tions, 116 Gilbert arch., 162 Gilolo, 173 Glorioso, 185 Gloucester isld., 96 Glover reef, 202 Gomez, 151 Gouap, 170 Goulou, 170 Grampus, 171 Gran Cocal, 162 Great Chagos bank, description and theory of, 39, 111 Grey, Capt., on sand-bars, 53 Grouping of the difihrent classes of reefs, 124 Guedes, 172 Hall, Capt. B., on Loo Choo, 135 Harvey islds. recently elevated, 139 Harvey or Cook islds., 154 Height of encircled islds., 45 Hermites, 168 Hogoleu, 169 Holuthuriae feeding on corals, 14 Honden isld., height of, 91 Honduras, reef qjf, 201 Horn, 161 Houtman Abrolhos, 174 Huaheine, alleged proofs of its recent elevation, 139 Huaheine, 154 Humphrey, 156 Hunter, 161 Hurricanes, effects of on coral islds., 96 Immaum, 191 Independence, 162 India, west coast, recently elevated, 135 India, 191 Irregular reefs in shallow seas, 57 Islets of coral-rock, their formation, 11 Islets of coral-rock, their destruction in the Maldiva atolls, 37 Jamaica, 202 Jarvis, 156 Java recently elevated, 134 Java, 176 Johnston isld., 158 Juan de Nova, 186 Juan de Nova {Madagascar), 187 Kalatoa, 176 Kamtschatka, proofs of its recent ele- vation, 142 Karhalang, 174 Keeling atoll, section of reef, 5 Keeling, south atoll, 183 north atoll, 183 Keffing, 172 Kemin, 156,157 Kennedy, 166 Keppel, 161 Kumi, 181 Laccadive group, 184 Ladrones or Marianas, recently elevated, 134 Ladrones arch., 170 Lagoon of Keeling atoll, 13 Lagoons, bordered by inclined ledges and walls, and theory of their forma- tion, 30, 103 of small atolls filled up with sedi- ment, 31 Lagoon-channels within barrier-reefs, 43 Lagoon-reefs, all submerged in some atolls, and all rising to the sur- face in others, 68 Lancaster reef, 156 Latte, 161 Lauglan islds., 166 Ledges round certain lagoons, 30, 103 Lette, 174 Lighthouse reef, 202 Lloyd, Mr., on corals refixing them- selves, 78 Loo Choo, recently elevated, 135 . Loo Choo, 181 * LouUiade, 166 Low archipelago, alleged proofs of its recent elevation, 128 Low. arch. 152 , Lowness of coral-islands, 90 Loyalty group, 166 Lucepara, 178 Lutke, Adm., on fissures across coral- l islands, 97