432 INDEX. 
Atiu, 194, 341, 372, 398. Bourne, G. C., on Diego Garcia, 279. 
Atlantic Ocean, subsidence in, 403. Bowditch’s Island, 168, 169, 198, 311. 
Atolls, structure of, 162, 174. Branchie in Actiniz, 59. 
origin of, 251, 266. Brazil, corals of, 113. 
origin of lagoons of, 258, 293. reefs, 140, 352. 
proportion of, having entrances to | Brooks’s Island, 360, 378. 
lagoons, 300. Bryozoans, 19, 105. 
completed, 309. Budding in Actiniz, 40. 
submerged, 191, 271. Budding in Coral Polyps, 48. 
Aurora Island, 193. Bunodes gemma, 22. 
Australian reefs, 185, 142, 148, 289, 345,| Byron, of the ‘‘ Blonde,’’ apatite on 
346, 365. Mauke, 324. 
Bauwamas, 214. Caicos group, 215. 
depths near, 173, 216. Calaminianes, 347. 
drift sand rock, 185. Calicle, 42, 44, 48. 
Bailey, J. W., chalk of Oahu, 396. California Gulf, corals of, 112. 
Baker’s Island, 241, 297, 318, 376. Cancrisocia expansa, 24. 
Balbi, on encircling reefs, 266. Cape St. Ann, 351. 
Barrier reefs, origin of, 248, 258, 261. | Carlshoff, 169, 177, 180, 203. 
Beach formations, 184, 221. Caroline Archipelago, 169, 170. 
Beechey, on Henderson Island, 194. elevations in, 380. 
soundings by, 172. Caryophyllia cyathus, 42. 
on Gambier Islands, 266. Smithii, lasso cell, 33. 
on Elizabeth Island, 370. Smithii, animal of, 67. 
on Ducie’s and Osnaburgh Islands, | Carysfort Island, 172. 
371. Cat Island, 215. 
Bermudas, structure of islands, 183, 218. | Caulastrea furcata, 54, 58, 95, Plate IV. 
corals of, 114. Caverns, 194, 224, 392, 397. 
depths near, 173. Celebes, 346. 
drift sand rocks, 185. Ceylon, reefs of, 350. 
former extent of, 408. Cheetetes, 105. 
caverns of, 224. Chagos Bank, 191, 192, 270, 350. 
red earth of, 225. Chalk, origin of, 394. : 
winds of, 225. of Oahu, 399. 
Beveridge reefs, 374. Chamisso, plants of the Marshall Islands, 
Biche-de-Mar, 160. 328. 
Bird Island, 342. Charlotte’s Island, 379. 
Birds of Coral Islands, 329, 330. China, coast of, free from corals, 349. 
Birgi, large crustacea, 198. Christmas Island in Pacific, 178, 375. 
Birnie’s Island, 173, 196, 318, 377. in Indian Ocean, 274, 279. 
Bischof, composition of sea water, 100. | Cladocora arbuscula, 54, 69, 95. 
Bishop, 8. E., on fragments of Coral in | Clarke, H. J., budding in Actiniz, 28. 
Oahu tufas, 417. Clarke, W. B., on Lafu, 344. 
Bland, T., on Bahama and W. India| Classification of Actinoid Polyps, 61. 
mollusk, 407. Clermont Tonnerre, 171, 370. 
Bolabola, 371. Clipperton Rock, 369. 
Bonney, T. G., on Darwin’s theory, 261. | Cnidz, 30. 
Borneo, 347. Cocoanut Grove on Bowditch Island, 311. 
