342 
INDEX. 
QUO 
Quoy and Gaimard, 
description of reefs appli- 
cable only to fringing- 
rcefs, 174 
Raivaivai, 206 
Eange of atolls, 167 
Rapa, 206 
Rearson, 207 
Red Sea, 
banks of rock coated by reefs, 
78 
proofs of its recent elevation, 
182 
supposed subsidence of, 
184, [319] 
Red Sea, 260 
Reefs 
irregular in shallow seas, 
77 
rising to the surface in some 
lagoons and all submerged 
in others, hi 
their distribution, 80 
their absence from some 
coasts, 81 
lateral spreading of, 22, [285], 
[298], [301], [315], [327] 
formation of, [291] 
Revilla-gigedo, 199 
Ring-formed reefs of the Maldiva 
atolls, and theory of, 45, 
139 
Rodriguez, 248, [307] 
Rosario, 230 
Rose island, 212 
Rotches, 217 
Roug, 226 
Routoumah, 216 
Rowley shoals, 235 
Eiippell, Dr., on the recent de- 
posits of Red Sea, 183 
Sable, Tie de, 248 
Sahia de Malha, 248 
Salomon archipelago, 223 
Samoan, or Navigator archipe- 
lago, elevation of, 178 
SOL 
Samoa archipelago, 211 
Sandalwood, 234 
Sandbars, parallel to coasts, 73 
Sandwich archipelago recently 
elevated, 175 
extension of, 191, 211 
Sandwich archipelago, 209, [322] 
Sanserot, 228 
Santa Cruz, 220, 274 
Savage island recently elevated, 
177 
Savage, 212 
Savu, 234 
Saya or Sahia de Malha, 248 
Scarborough shoal, 245 
Scarus feeding on corals, 20 
Schoulon, 224 
Scilly, 203 
Scoriie floated to coral islands, 
157 
Scott’s reef, 235 
Sections, 
of islands encircled by bar- 
rier reefs, 66, 133 
of Bolabola, 134 
Sediment, 
in Keeling lagoon, 19 
in other atolls, 36, 48 
injurious to corals, 87 
transported from coral- 
islands far seaward, 157 
formation of, [291] 
Semper, Prof., 
on the Pelew islands, 228 
on the reef of the Philippine 
archipelago, 242 
Seniavine, 227 
Serangani, 233 
Seychelles, 249 
Ship-bottom quickly coated with 
coral, 106 
Smyth island, 209 
Society archipelago, 165 
stationary condition of, 169 
alleged proofs of recent ele 
vation, 185 
Society archipelago , 201 
Socotra, 260 
Solomon archipelago, [291] 
Solor, 236 
