142 



INDEX. 



Darwin, C, depth of growing corals, 63. 



on the origin of coral mud, 73. 



theory of coral islands, 88. 

 Depths of growing corals, 63. 

 Drift sand-rock of coral material, 17, 32. 

 Drummond Island or Tapoteouea, 21, 



133. 

 Ducie's Island, elevation of, 128. 

 Duke of York's Island, 39, 131. 

 Duke of Clarence, 23, 131. 



Elevated coral reefs or islands, 37, 126. 

 Elizabeth island, elevation of, 128. 

 Ellice's Island, 131. 

 Eua, island of, 130. 



Eakaafo, 23, 40, 131. 

 Fanning's Island, 129. 

 Eeejee Islands, elevations among, 131, 

 135, 137. 



view of the island Aiva, 91. 

 Whippey Harbor, in Viti Lebu, 

 83. 



reefs of Vanua Lebu and other 

 islands, 7, 20. 

 Feis, island of, 1 34. 



Fitzroy, temperature of the sea near Ga- 

 lapagos, 98. 

 Fringing reefs, 6. 



evidence from, as to change of level, 

 119. 



Galapagos, cause of absence of corals from, 



98. 



Gambier Islands, view of, 91. 



thickness of reefs, 19. 



evidences of subsidence at, 122. 



Gardner's Island, 131. 



Geographical distribution of coral reefs 



and islands, 97. 



Hapaii Islands, 130. 

 Harbors formed by coral reefs, 79. 

 of Tahiti, 14, 81. 

 of Upolu, 79, 82. 

 Whippey's, of Viti Lebu, 83. 

 Hawaiian Islands, changes of level among, 

 121, 132. 



reefs of, 101. 

 Hervey islands, reefs of, 100. 



elevations among, 128. 

 remarks on Raro tonga, 129. 

 Hon den, Henuake or Dog Island, 22, 31, 

 38, 127. 



Islands, Pacific, review of, with reference 

 to coral reefs, 99. 



Jarvis Island, 23, 36, 129. 



Kawehe Island, 30, 41. 

 Keeling's Island, 10. 



Kingsmill Islands, descriptions of, 21, 44/ 

 elevations among, 133. 



Ladrones, elevations among, 134. 



evidences of subsidence about, 123. 



reefs of, 102. 

 Lagoons of atolls, 6, 20, 31, 33, 78, 94. 



ship entrance to, 24, 84. 



shores of, 30. 



soundings in, 31. 

 Level, evidences of change of, in the Pa- 

 cific, 118. 

 Lime, carbonate of, incrusting pebbles, 16. 

 deposited in vesicular rocks, 17. 

 Lisiansky, islands of, 25. 

 Low Archipelago, see Paumotu. 

 Loyalty Group, reefs of, 103. 



Maiden, island of, 130. 

 Maldives, soundings about, 25. 



remarks on, 34, 96. 



title of the Sultan of, 6. 

 Manhii, or Waterlandt, 23, 42. 

 Manuai, island of, 129. 

 Margaret Island, 37. 



Marquesas Islands, little coral about, 100. 

 evidences of subsidence about, 122. 

 Mauke, island of, 129. 

 Menchikoff atoll, 24, 96. 

 Metia, an elevated coral island, 25, 35, 90, 



128. 

 Mitiaro, island of, 129. 

 Molokai, elevation of, 132. 

 Morehead, depth of growing corals in the 



Red Sea, 63. 

 Moresby, on the Chagos Bank, 35. 



soundings by, 25. 

 Morlot, A. von, on dolomisation, 116. 

 Mud, coral, at different islands, 31, 32. 

 formation of, 73. 



Nairsa (or Dean's Island,) 20, 23, 42, 127. 

 Namuka, 130. 



New Caledonia, reefs of, 102. 

 New Hebrides, 102. 

 New Holland, reefs of, 102. 

 Nullipores on the margins of reefs, 10, 

 26, 40, 66. 



Oahu, coral chalk of, 112. 



coral sand rock, 17. 

 Osnaburgh, elevation of, 128. 

 Otuhu, 37. 



Pacific Ocean, distribution of coral reefs 

 and islands in, 97. 



on changes of level in, 118. 



loss of land to, by subsidence, 125. 



axis of area of subsidence, 123. 

 Palmyra Island, 129. 

 Paumotu Islands, 23, 37, 100. 



changes of level in, 120, 134. 



