272 



INDEX. 



Red Sea, banks of rock coated 



by reefs . . . .81 

 proofs of its recent eleva- 

 tion . . . .171 



supposed subsidence of . 173 



Red Sea .... 245 

 Reefs, irregular in shallow seas So 



rising to the surface in 



some lagoons, and all 

 submerged in others . 92 



their distribution . . S3 



their absence from some 



coasts . . .84 



Revilla-gigedo . . .187 

 Ring-formed reefs of the Mal- 



diva atolls, and theory of 52, 134 

 Rodriguez , . . . 235 

 Rosario . . . . 216 



Rose isld. . . , . 199 



Rotches .... 204 



Rotoumah .... 203 

 Roug . . . . .212 

 Rowley shoals . . .221 

 Riippell, Dr., on the recent 

 deposits of Red Sea . . 171 



Sable, He de . . . . 235 

 Sahia de Malha . . . 234 

 Si!. Pierre . . . .236 

 Sala ..... 188 

 Salomon arch. . . . 209 

 Samoa, or Navigator arch., 



elevation of . . .168 

 Samoa arch. . . . 199 



Sand-bars parallel to coasts . 76 

 Sandal-wood . . . 220 



Sandwich arch., recently ele- 

 vated .... 165 

 Sandwich arch. . . . 197 

 Sanserot . . . .215 

 Santa-Cruz group . . 207 

 Savage isld., recently elevated, 



98, 167, 175 



Savage .... 200 



Savu ..... 220 



Saya, or Sahia de Malha . 234 



Scarborough shoal . . . 232 



PAGE 



3° 

 211 

 191 

 149 

 221 



Scarus feeding on corals 

 Schouten .... 

 Scilly ..... 

 Scoria? floated to coral-islds. 

 Scoffs reef .... 

 Sections of islands encircled 

 by barrier-reefs . 69, 128 



of Bolabola . . .128 



Sediment in Keeling lagoon 29 



in other atolls 43, 54, 55 



injurious to corals . 89 



transported from coral 



islands far seaward 



Seniavi7ie 



Serajigani 



Seychelles 



Ship-bottom quickly coated 



with coral 

 Smyth isld. , 

 Society arch., stationary con 



dition of . 



alleged proofs of recent 



elevation 

 Society arch. 

 Socotra . 

 Solor . 

 Soolooislds., recently elevated 

 Sooloo islds. 

 Souvaroff 

 Spanish 

 Sponge, depths at which found 

 Starbuck 

 Stones transported in roots of 



trees 

 Storms, effects of, on coral 



islds 

 Stutchbury, Mr., on the growth 



of an Agaricia 



on upraised corals in 



Society arch 



Subsidence of Keeling atoll 



extreme slowness of 146 



areas of, apparently elon 



gated .... 179 



areas of immense . 178, 179 



great amount of . 181, 190 



Suez, gulf of . . . .251 



149 

 212 

 219 

 235 



104 



197 



162 



174 



189 

 244 

 222 

 170 

 227 



195 



215 

 112 



194 



149 

 124 



105 



174 



42 



182 



