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 lire 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 "f the tertiary deposits of, 



to those of ihe Paris basin, 241 



geographical connexion of the Paris 



basin and, 241 

 probably once connected \vitn the 



Paris basin by a chain of lakes, 241 



volcanic rock.i of, 257 



igneous rocks associated with the 



lacustrine strata of, 25 S 



volcanic breccias of, how formed, 259 



minor \olcanos ol, 2'>0, 263 



long succession of eruptions in, I'fiO 

 ravines excavated through lava in, 



261 



Auvergne, lavas resting on alluviums of dif- 

 ferent ages in seewood-cut No. 6 1,266 



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, cvc., 280 



Bfmos 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 



Bayou ne, 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 palEuotheriurn and 



fresh-water shells in calcaire glossier 



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 

 Belbel, section of while limestone in the 



quarry of, 237 

 Belgium, tertiary formations of, 276 



fossil shells from sec table, Ap- 



pendix I. 



Beliemi, Mount, caves in, 143 

 Beudant, M., on the volcanic rocks of 



Hungary, 222 

 : Bingen, gorge of, 152 



i Bintead, mammiferons remains found in 

 j the quarries of, 28 1 , 317 

 Blaye, limestone of, 208 



its position see wood-cut No. 52, 



209 



