INDEX. 



405 



Rangiroa — Continued 



Gaps in land rim of, 41 



Great wall cut into fragments at, 47 



Great wall of elevated limestone at, 46 



Height of beach of, 39 



Lagoon beach of, 38 



Lagoon of, bottom of, 36 



Lagoon sink of, 39 



Lagoon slope of, 46 



Lee land of, 37, 49 



Narrow land rim of, 41) 



Northern land rim of, 33 



Nullipores on outer platform of, 47 



Eange of corals in lagoon of, 41 



Sea face of, 43 



Sea face of the great wall at, 47 



Section across, 37, 38 



Shore platform of, 40 



Size of, 14, 35 



Soundings in lagoon of, 36, 45 



Spur of old ledge dam of, 52 



Tiputa entrance at, 33 



Vegetation of, 33, 36, 39 



Water flowing over reef flats of, 14 

 Raroia, 94 



Bays at, 96 



Boulders of beach rock at, 96 



East face of, 95 



Entrance to, 97 



Gaps at, 96 



Large boulders at, 95 



Length of, 91 



Low gaps at, 95 



Nullipore knolls at, 96 



Old ledge at, 95 



Pocillipore knolls at, 96 



Sand beaches at, 95 



Shingle beaches at, 95 



West side of, 97 



Width of shore platform of, 96 

 Rarotonga, 169 

 Ratack Chain, 271 

 Rautoanui Pass, 158 

 Ravahere, 111 



Large boulders at, 1 1'2 



Secondary lagoon of. 111 



Width of, 112 

 Raveskoi Islands, 90 

 Reiher Passage, 272 

 Resolution Bay, 2 

 Rewa River, 205 

 Rodriguez, 



Corals at, 6 

 Rongelab, 303 



Adaptation of Echinoderms at, 305 



Beach rock at, 304 



Rongelab — Continued 



Bottom of lagoon of, 306 



Corals in lagoon, 304 



East face of, 303 



Lagoon side of, 306 



Land rim of, 303 



Northeast trades at, 304 



Sand dunes of, 303 



Section of beach at, 305 



Sinks at, 304 



South pass into, 303 



Variation of corals at, 305 

 Rongelappelab, 303 

 Rongerik, 309 

 Rota, 376 



Caves at, 377 



Elevated coralliferous limestone of, 377 



Northwestern point of, 377 



Southern spit of, 377 



Terraces of, 377 



Volcanic outburst at, 377 



Western peninsula of, 377 

 Royalist Islands, 352 



A satellite of Truk, 352 



Line of boulders at, 352 



Northern passage of, 352 



Vegetation of, 352 

 Royal Society, 210, 224 



Committee on boring in a coral reef, 210, 224 

 Ruk, 354, 356 

 Rurick Pass, 315 

 Rurutu, 168 



Williams on, 168 



Saipan, 378 



San Augustin, 342 



Elevated limestone of, 342 



Height of, 342 

 San Luis d'Apra, 370 

 Savage Island, 163 



Williams on, 168 

 Schischmarev, Lieut., 315 

 Schischmarev Pass, 316 

 Seeman, 204, 279 



Flora Vitiensis, 204 

 Semper, C, 362 



On geology of Pelew Islands, 362 

 Seniavina Islands, 342 

 Seychelles, 



Corals at, 6 

 Sinks and Sounds of, 



Ano, 200 



Hunga, 200 



Koloa, 200 



Makave Spit, 201 



