INDEX, 
Anticlinal lines, how far those formed at 
the same time are parallel, 349 
Antilles, recent shells imbedded in lime- 
stone in the, 133 
Antrim, chalk in, converted into marble by 
trap-dike, 369 
altered coal and lias in, 369 
Apennines, tertiary strata at the foot of the, 
155 
Apollinaris does not mention the volcanos 
in his description of Auvergne, 269 
Areas of sedimentary deposition, shifting 
of the, 26 
Argillaceous strata, change caused by a 
dike of lava in, 70 
Arno, river, yellow sand like the Subapen- 
nines deposited by the, 161 
Arun, transverse valley of the, 298, 299 
Asia, western, great cavity in, 29, 270 
Astroni, crater of, 187 
Atlantis of Plato, 330 
Atrio del Cavallo, dikes in the, 124 
Aurillac, fresh-water formation of, 236 
silex abundant in the fresh-water 
strata of, 237 
« resemblance of the fresh-water 
lime-stone and flints to the chalk, 237 
proofs of the gradual deposition of 
the fresh-water marls of, 239 
Australian breccias, bones of marsupial 
animals in, 143 
Auvergne, appearance of some of the lavas 
of, 94 
— position of the Miocene alluviums of 
— see wood-cut No. 54, 217 
■ extinct quadrupeds in the alluviums 
of, 218 
age of the volcanic rocks of, 224 
lacustrine deposits of, 226 
map of the lacustrine basins and 
volcanic rocks of — see wood-cut No. 
56, 226 
tertiary red marl and sandstone of, 
like new red sandstone, 229, 333 
indusial limestone of, 232 
. dip of the tertiary strata of, 233, 235 
arrangement and origin of the fresh- 
water formation of, 233 
— — analogy of the tertiary deposits of, 
to those of the Paris basin, 241 
geographical connexion of the Paris 
basin and, 241 
probably once connected witn the 
Paris basin by a chain of lakes, 241 
volcanic rocks of, 257 
igneous rocks associated with the 
lacustrine strata of, 258 
___ volcanic breccias of, how formed, 259 
minor volcanos of, 260, 263 
long succession of eruptions in, '260 
ravines excavated through lava in, 
264 
Auvergne, lavas resting on alluviums of dif- 
ferent ages in — seewood-cut No. 61, 266 
age of the volcanos of, 268, 269 
Aventine, Mount, a deposit of calcareous 
tufa on, 138 
Bagneux, alternation of plastic clay and 
calcaire grossier at, 244 
Bagshot sand, its composition, &c, 280 
Bfinos del Pujio, elevated sea-cliff near, 
131 
Baobab tree, its size, probable age, &c, 
99, 272 
Baraque, la Petite, section of vertical 
marls in a ravine near — see wood-cut 
No. 57, 231 
Barcelona, height of the marine tertiary 
strata of, 193 
Barcombe, section from the north escarp- 
ment of the South Downs to — seewood- 
cut No. 71, 296 
Barzone, gypsum found in the Subapen- 
nine marls near, 159 
Basalt, theory of the aqueous origin of, 4 
Basalts of the Bay of Trezza, Paterno, &c. } 
their relative age, 82 
Basterot, M. de, on the fossil shells of 
Bordeaux and Dax, 20, 206 
Battoch, Mount, granite veins of, 357 
Bay of Trezza, sub-Etnean formations ex- 
posed in the, 78 
proofs of ancient submarine erup- 
tions in the, 78 
Bayonne, age of the tertiary strata near, 
343 
age of the newest secondary strata 
near, 343 
Bawdesey, inclination of the crag strata 
near, 174 
Beauchamp, remains of a palaiotherium and 
fresh-water shells in calcaire grossier 
at, 252 
Beachy Head, termination of the chalk 
escarpment at, 291 
— — thickness of the upper green-sand 
at, 292 
Beginning of things, supposed proofs of, 
383 
Belbet, section of white limestone in the 
quarry of, 237 
Belgium, tertiary formations of, 276 
fossil shells from — see table, Ap- 
pendix I. 
Beliemi, Mount, caves in, 143 
Beudant, M., on the volcanic rocks of 
Hungary, 222 ' 
Bingen, gorge of, 152 
Binstead, mammiferous remains found in 
the quarries of, 281, 317 
Blaye, limestone of, 208 
its position — see wood-cut No. 52, 
209 
