INDEX 
339 
IRR 
Irregular reefs in shallow seas, 
77, 78 
Islets of coral-rock, their forma- 
tion, 15 
their destruction in the Mal- 
diva atolls, 50 
Jamaica, 273 
Jarvis, 207 
Java recently elevated, 180 
Java, 236 
Johnston island, 209 
Juan de Nova, 250 
Juan de Nova ( Madagascar ), 253 
Jukes, P of., the barrier reef of 
Australia, 64 
Kalatoa, 237 
Kamtschatka, proofs of its recent 
elevation, 189 
Karkalang, 233 
Keeling atoll, section of reef, 7, 8, 
[305] 
Keeling, 
north atoll, 246 
south atoll, 246 
Keffing, 232 
Kemin, 206, 208 
Kennedy, 221 
Keppel island, 214 
Keppell, Capt., on the reefs and 
elevation of Celebes, 233 
King, Capt., on distribution of the 
different classes of reefs, 
165 
Kumi, 244 
Laccadive group, 247 
Ladrones or Marianas, recently 
elevated, 172 
Ladrones archipelago, 229 
Lagoon of Keeling atoll, 18 
Lagoons, 
bordered by inclined ledges 
and walls, and theory of 
their formation, 41, 139, 
[285], [301] 
of small atolls filled up with 
sediment, 42 
MAC 
Lagoon-channels within barrier 
reefs, 59 
Lagoon-reefs, all submerged in 
some atolls and all rising 
to the surface in others, 90 
Lancaster reef, 206 
Larrack, 260 
Latte, 213 
Laughlan islands, 222 
Ledges round certain lagoons, 41, 
139 
Latte, 234 
Lighthouse reef, 272 
Lloyd, Mr., on corals refixing 
themselves, 105 
Loo Choo recently elevated, 181 
Loo Choo, 244 
Louisiade, 222 
Low archipelago, alleged proofs 
of its recent elevation, 170 
Low archipelago, 200 
Lowness of coral islands, 122 
Loyalty group, 221 
Loyalty islands, 
recently elevated, 186, 221 
Luccpara, 240 
Lutke, Adm., on fissures across 
coral islands, 132 
Luzon recently elevated, 180 
Luzon, 241 
Lyell, Sir C., 
on channels into the lagoons 
of atolls, 39 
on the lowness of their lee- 
ward sides, 148 
on the antiquity of certain 
corals, 96 
on the apparent continuity 
of distinct coral-islands, 
157 
on the recently elevated beds 
of the lied Sea, 184 
Mac Askill Islands, formed of up- 
raised coral rock, 191, 227 
Macassar strait, 237 
Macclesfield bank, 245 
Maclear, Capt., on Masamarhu 
Island, [319] 
