INDEX. 
20, 22. 
Sea-anemone, 
Sea-cucumbers, 160. 
Sea, depths of disturbance of, by waves, 
229: 
Sea-ginseng, 160. 
Sea-slugs, 160. 
Sea-water, composition of, 100. 
Semper, Karl, on the Pelews, 289. 
on making of lagoon basins, 294, 298. 
Senses in Actiniz, 39. 
Septa, 43, 60. 
Seriatopora, 70. 
Serle’s Island, 171. 
Serpule in reef-making at Bermudas, 
130,221. 
supposed, of Florida, 206. 
Seychelles, 271. 
Sharples, 8 P., analyses of corals, 99. 
Sherboro Island, 351. 
Shore-platform, origin of, 235. 
Siderastraea radians, 99. 
galaxea, 113. 
radiata, 113. 
Silliman, B., analysis of dolomitic coral 
rock of Metia, 394. 
of coral sand of Straits of Balabac, 
394. 
of chalk of Oahu, 395. 
Society Islands, 340. 
Solomon Islands, 309, 345, 381. 
Somers’ Islands, see Bermudas. 
Sooloo‘Sea, 347. 
Soundings about atolls, 171. 
Spontaneous fission, 56. 
Starbuck's Island, 523, 375. 
Starve Islaad, 325. 
Staver’s Island, 376. 
Stevenson, force of waves, 229. 
Stimpson, Win., observations by, 24, 83, 
84, 92. 
Strombus gigas in West India reefs, 
212217, 
Stutchbury, growth of an Agaricia, 124. 
on Rurutu, 372. 
Stylaster erubescens, 70. 
Stylasteridz, 70, 105, 110. 
Stylophora Danze 70. 
Subsidence theory of coral reefs, 261. 
objections to, 227. 
439 
Subsidence in the Pacific, 357, 401, 411. 
amount of land lost by, 276. 
period and extent of, and accom- 
panying changes over the globe, 
401. 
thickening of reefs by, 387. 
Sunday Island, 341. 
Swain’s Island, 168, 173, 197, 374. 
Swan Island Reef, 175. 
Sydenham Island, 167. 
Sydney Island, 377. 
Synapticule, 60. 
TABUL, 60. 
Tabulate, 60, 77. 
Tafoa, 341, 374. 
Tahiti, north shore of, 149, 246. 
thickness of reef, 158. 
no elevation at, 571. 
Murray’s observations at, 282. 
valleys of, 273. 
arrangements of Wilkes for deter- 
mining rate of growth of reef, 
257, 417. 
same, of Le Clerc and De Benazé, 
ANT. 
Taiara, 167, 200. 
Tampa Bay, 206. 
Tanna, 343. 
‘Tapateuea, 164, 167, 169, 183. 
elevation of, 379. 
Tarawa, 164, 169, 380. 
Tarawan Archipelago, see Gilbert Islands, 
Tari-tari, 167, 169. 
Tealia crassicornis, see Urticina. 
Teku, 199. 
Telesto ramiculosa, 84. 
trichostemma, 83. 
Temperature limiting distribution of 
corals, 108, 335. 
of Atlantic Ocean in past time, 399. 
chart, 335. 
Tetracoralla, 78. 
Thecocyathus cylindraceus, 43. 
Thomson, Sir Wyville, on Bermudas, 
218. 
on red earth, 225. 
Tikopia, 345. 
| Timor, 346. 
