INDEX. 
Cavo delle Neve, hollow in Iscliia called 
the, 127 
p ancient sea-beach seen near, 127 
Cellent, lava current of — see map, wood- 
cut, No 43, 184 
section above the bridge of, — see 
wood-cut No. 45, 188 
Central France, volcanic rocks of, 224, 
257 
fresh-water, formations of, 225 
analogy of the tertiary deposits 
of, to those of the Paris basin, 241, 
■ 247 
valleys of, how formed, 319 
Cer, valley of the, sections of foliated 
marls in the, 239 
Ceret and Boulon, dip of the tertiary strata 
between, 170 
Cerithia, abundance ofin the calcaire glos- 
sier, 245 
Chabriol, M., on the fossil mammalia of 
Mont Perrier, 218 
Chadrat, pisolitic limestone of, 232 
Chalk, protruded masses of in the crag 
strata — see wood-cuts Nos. 41 and 42, 
179, 180 
English tertiary strata, conformable 
to the, 282 
deep indentations filled with sand, 
&c, on its surface, 282 
tertiary outliers on, 283 
fissure in the, filled with sand near 
Lewes, 283 
and upper green sand of the Weald 
valley, 286 
escarpments of the Weald valley, 
once sea-cliffs — see wood-cuts Nos. 65 
and 66, 289, 290, 291 
. why no ruins of, on the central dis- 
trict of the Weald, 295 
of the North and South Downs, its 
former continuity, 303 
=___ the alternative of the hypothesis 
that it was once continuous considered, 
304 
— — - valleys and furrows in the, how 
caused, 311 
; cliffs, rapid waste of on Sussex 
coast, 311 
, greatest elevation attained by it in 
England, 314 
great line of escarpment formed by 
the, through the central parts of England, 
315 
> nearly all the land in Europe has 
emerged since the deposition of the, 
330 
has been elevated at successive pe- 
riods, 331 
• converted into marble by trap dike 
in Antrim, 369 
Chalk-flints, analysis of, 238 
Chamalieres, near Clermont, section a\ } 
228 
Chambon, lake of, formed by the lava of 
the Puy de Tartaret, 264 
Chamouni, glaciers of, 150 
Champheix, tertiary red marls of, 229 
Champoleon in the Alps, strata altered 
near, 371 
Champradelle, section of vertical marls at, 
— see wood-cut No. 57, 231 
Chili, Newer Pliocene marine strata at 
great heights in, 130 
Christie, Dr. T., his account of the Cave 
of San Ciro, 140 
on caverns in Mount Beliemi, Sicily, 
143 
Cirque of Gavarnie, in the Pyrenees, 88 
Cistema on Etna, formed by a subsidence 
in 1792,96, 129 
Classification of tertiary formations in chro- 
nological order, 45 
Clay-slate, lamination of, in the Pyrenees 
— see wood-cut No. 89, 366 
may be altered into shale, 373 
convertible into hornblende schist, 
373 
Clermont, section of littoral deposits near, 
228 
section of vertical marls near — see 
wood-cut No. 57, 231 
alternations of volcanic tuff and 
fresh-water limestone near, 258 
Clift, Mr., on the bones of animals from 
Australian caves, 144 
Climate, effects of changes of, on species, 
44 
Coal reduced to cinder by trap dike, 370 
Colle, fresh-water formation of, 137 
fossil shells of living species in the, 
138 
Comb Hurst, hills of, 279 
Come, lava current of, 186 
Conception Bay, fossil shells of recent spe- 
cies found at great heights in, 130. 
Conglomerate, tertiary, of Nice, 167 
now formed by the rivers near Nice, 
168,169 
time required for the formation of 
great beds of, 170 
ConglomerateSjVolcanicj of the Val di Noto, 
73 
now forming on the shores of Ca- 
tania and Ischia, 73 
Contemporaneous origin of Rocks, how 
determined, 37 
Contemporaneous, remarks on the term, 52 
Continents, position of former, 328, 330 
Contortions in the Newer Pliocene strata 
in the Isle of Cyclops — see wood-cut 
No. 15, 80 
Conybeare, Hev. W. D., on the English 
crag, 19 
