336 
INDEX, 
coo 
Cook islands, recently elevated, 
177 
Cook islands, 204 
Corallian sea, 166 
Corallian sea, 222 
Coral-reefs, 
their distribution and ab- 
sence from certain areas, 
80 
destroyed by loose sediment, 
87 
Coral-rock, 
at Keeling atoll, 16 
Mauritius, 74 
Metia, 98 
organic remains of, 150 
at Oahu, [322] 
Coral-rocks bored by vermifonti 
animals, 20, 156 
Corals, 
dead but upright in Keeling 
lagoon, 21 
depths at which they live, 
108, [293], [298], [326] 
off Keeling atoll, 11 
killed by a short exposure, 
8 
living in the lagoon of Keel- 
ing atoll, 18 
quick growth of, in Keeling 
lagoon, 17 
merely coating the bottom 
of the sea, 79 
standing exposed in the Low 
archipelago, 170 
Cornwallis, 218 
Cosmolcdo, 250 
Coutliouy, Mr. 
alleged proofs of recent eleva- 
tion of the Low archipe- 
lago, 170 
on external ledges round 
coral islands, 140 
Crescent-formed reefs, 146 
Crosby, Mr. W.O., on the raised 
reefs of Cuba, [308] 
proofs of ancient subsi- 
dence, [309] 
Cuba, 270, [308] 
Cuming, Mr., on the recent ele- 
DEP 
vation of the Philippines, 
180 
Dana, Prof., on the reef of 
Hawaii, 82, 175 
distribution of coral-reefs as 
affected by the tempera- 
ture of the sea, 85 
upraised coral-rock of Metia, 
98 
boring through coral-rock, 
99, [322] 
depth at which corals live, 
112 
subsidence of the Mendana 
island, 165, 204 
subsidence in the Caroline 
archipelago, 169 
slight recent subsidence of 
the Paumotu archipelago, 
170 
extension of the Hawaii ar- 
chipelago, 192, 211 
Eeejee islands, 215 
outline of some islands in- 
dicative of subsidence, 
[310] 
distribution of reef-materials, 
[311] 
different kinds of reef in 
Pacific, [312] 
submarine slopes, [313] 
local elevations, [314] 
on soundings at Tahiti, 
[314] 
on lateral spreading of reefs, 
[315] 
on Florida reefs, [316] 
on Mr. Murray’s explanation 
of the foundation of reefs 
and of ring-shaped atolls, 
[317] 
Danger islands, 207 
Dangerous or Low archipelago , 
200 
Depths, 
at which reef-building corals 
live, 108, [293], [298], 
[326] 
