392 



INDEX. 



Bermudas, structure of islands, 183, 218. 



" corals of, 114. 



" former extent of, 370. 



" caverns of, 361. 



Beveridge reefs, 338. 

 Biche-de-Mar, 160. 

 Birds of Coral Islands, 284. 

 Birnie's Island, 196, 291, 341. 

 Bischof , composition of sea water, 100. 

 Bolabola, 335. 

 Borneo, 310. 



Bowditch's Island, 168, 169, 200, 273. 

 Branchiae in Actiniae, 39. 

 Brazil, corals of, 113. 

 " reefs, 140, 316. 

 Brooks's Island, 324, 342. 

 Bryozoans, 105. 

 Budding in Actiniae, 40. 

 Budding in Coral Polyps, 48. 

 Bunodes gemma, 22. 



Byron, of the Blonde, apatite on Mauke, 

 297. 



Calaminianes, 311. 

 Calicle, 42, 44, 48. 

 California Gulf, corals of, 112. 

 Cancrisocia expansa, 24. 

 Cape St. Ann, 315. 

 Carlshoff, 169, 177, 180, 203. 

 Caroline Archipelago, 169, 170. 



" " elevations in, 344. 



Caryophyllia cyathus, 42. 



" Smithii, lasso cell, 33. 



" " animal of, 67. 



Carysfort Island, 172. 

 Caulastraea furcata, 58, 64, 95. 

 Caverns in coral limestone, 194, 360. 

 Celebes, 310. 

 Ceylon, reefs of, 314. 

 Chaetetes, 105. 

 Chagos Bank, 191, 192, 314. 

 Chalk, origin of, 358. 



" of Oahu, 359. 

 Channels among reefs, 148. 

 Charlotte's Island, 343. 

 China, coast of, free from corals, 313. 

 Christmas Island, 173, 339. 

 Cladocora arbuscula, 54, 69, 95. 

 Clarke, H. J., on budding in Actiniae, 28. 

 Classification of Actinoid Polyps, 61. 

 Clermont Tonnerre, 171, 334. 



Cnidae, 30. 



Cocoanut Grove, on Bowditch Island, 274. 



tree, 280. 

 Coenenchyma, 60. 

 Columella, 44. 



Commensalism in polyps, 24, 62. 

 Cook, Capt., on Christmas Island, 339. 

 Cophobelemnon clavatum, 91. 

 Corals changed to a phosphate by guano, 



293. 

 Corals, rate of growth of, 123. 

 " temperature limiting, 108. 

 " influence of impure and fresh wa- 

 ters on distribution, 119. 

 " injured by boring animals, 121. 

 Coral, precious, 90. 

 Coral Heads, 139, 140, 145. 



" islands, forms and features, 161. 

 " " birds of the Pacific, 286. 



" " poor place for human de- 



velopment, 288. 

 Coral-makers, 19. 

 Coral mud and sand of bottom, 142, 150, 



181, 182, 183, 231. 

 Coral reefs, rate of growth of, 249. 

 " benefits from, 159. 



" geographical- distribution of, 



303. 

 Coral Reef Harbors, 160. 



" seas, extent of, 300. 



Coral rocks, consolidation of, 152, 354. 

 Coral sands, formation of, 142, 224, 348. 

 Coral sand-rocks, 152, 154, 348. . 

 Corallet, 48, 60. 

 Corallidae, 90. 

 Corallines, 107. 



Corallium from the Sandwich Islands, 91 

 Corallium rubrum, 89. 

 Corallulum, 60. 

 Corallum, 42, 48, 60. 



" composition of, 98, 105. 

 " hardness of, 93. 

 Comora Islands, 314. 

 Corynactis viridis, lasso-cells, 33. 

 Coryne, 103. 

 Cosmoledo, 314. 

 Couthouy, J. P., on Anthea flagellifera, 



37. 

 Ctenactis echinata, 45, 66. 

 Currents in Atoll channels, 170, 171. 



" among reefs, 239, 240. 

 Cyathophylloids, 78. 



