OCR Text |
Show 92 . INDEX. Doue, M. Bertrand de, on Auvergne alluviums under lava, 267 DuBois, M., on the tertiary strata of,Volhynia and Podolia, 215 Dufrenoy, M., on the limestone of ,Blaye, near Bordeaux, 209 -- on the hill of Gergovia, 258 -- on the age of the red marl and rock· salt of Cardona, 333 Durance, river, land-~hells brought from the Alps into the Rhone by the, 48 Dunwich, thickness of the crag strata in the cliffs near, 172 Dunwich, dip of the crag strata in a cliff between M is mer and-see wood-cut No. 33, 175 Dunes, near Calais, ripple marks formed by the winds on the-see wood-cut, No. f 36, 176 Earthquake, Olot destroyed by, in 1421, 191 --of Cutch, effects of the, 104, 249, 318 Earthquakes, their effects on the excavation of valleys, 113 --during the Eocene period, 312 Earth's crust, signs of a succession of former changes recognizable in, 1 --arrangement of the materials composing the, 8 Earth's surface may be greatly changed in one part while an adjoining tract remains stationary, 128 East Indian Archipelago, tertiary formations of the, 13::1 Ehrenhausen, coralline limestone of the hills of, 214 Eichwald, M., on the tertiary deposits of Volhynia and Podolia, 215 Eifel, volcanos of the, 193 --map of the ,·olcanic district of thesee wood-cut No. 4H, 194 --lake·craters of the-see wood-cut, No. 49, 195 --trass of the, and its origin, 197 -- age of the volcanic rocks of the, 199 Elevation ofland, how caused, 105 Elevation, proofs of successive, 111 Elsa, valley of the, fresh-water formations of, 137 England, tertiary strata of, 19, 135, ,171, 284 -- comparison between the tertiary strata of Paris and those of, 282 --tertiary strata of, conformable to the chalk, 282 --origin of the tertiary strata of, 284 -- great line of chalk escarpment through the central parts of, 315 -- elevation of land on the east coast of, since the Older Pliocene period, 316 England, elevation of land gradual in the S.E. of, 318 --on the excavation of valleys in the S.E. of, 319 Enza, river, nature of the sediment depo. sited by the, 161 Eocene period, derivation of the term, 55 -- proportion of living species in the fossil shells of the, 55 -- position of the beds referrible to this era-see diagrams Nos. 3 and 4, 20, 21 -- geographical uistribution of the recent species found in the, 55 -- mammiferous remains of the, 59 -- fresh-water formations of the, 225 -- marine formations of the, 241 -- our knowledge of the physical geo- . graphy, fauna and flora of the, considcrablt:, 254 ~ volcanic rocks of the, 257 -- map of the principal tertiary basins of the-see wood-cut No. 62, 275 --earthquakes during the, 312 -- alluviums of the, 317 -- chasm between the newest secoud-ary formations and those of the, 328 --great volume of hypogene rocks formed siuce, 381 -- number of species of fossil shells common to different formations referrible to the, Appendix I., p. 49 : • --number of living species in the fossil shells of the, ib., 50 -- number common to the Pliocene, Miocene, and, ib., 50 -- geographical distribution of the liv-ing species found in the, ib., 51 Eocene strata in the Bordeaux basin, 208 -- its1 relative position-see wood-cut ' No. 52,209 Epomeo, shells found in volcanic tuff near the summit of, 126 Erratic blocks of the Alps, 148 -- transported by ice, 149 Escarpments, manner in which the sea destroys successive lines of, 111, 292 Escarpments of the chalk in the Weald valley, once sea-cliffs-see wood-cuts, Nos. 65 and 66, 289, 291 - Estuary deposits, arrangement of, 9 Eternity of the earth, or of present system of changes not assumed in this work, 383 Etna, marine and volcanic formations at its base, 75 ' -- view of, from the limestone platform of Primosole-see diagram No. 11, 75 -- connexion of the strata at its base with those of the Val di Noto-see diagram No. 12, 76 • INDEX. 93 Etna, southern base of, 77 -- recent shells in clay at the foot of, 77 --dip o£ the marine strata at the base of, 78 --eastern side of, 78 -- shells in tuffs and marls on the east side of, 79 - lavas of the Cyclopian isles, not currents from, 81 -- internal structure of the cone of, 83 --great valley nn the east side of-see wood-cut No.17, 83 -- lateral eruptions of, 84 - manner of increase of the principal cone of, 84 - sections of buried cones on, 88 -- form, composition, and origin of the dikes on, 90 --veins of lava on-see wood-cut No. 20, 91 -- view from the summit of, into the Val del Bove-see wood-cut No. 22, 93 --subsidences on, 96 --antiquity of the cone of, 97 -whether signs of diluvial waves are observable on, 101 --list of fossil shells from the flanks of-Appendix ll., p. 53, Europe, newest tertiary strata of, 22 --large portions of, submerged when the secondary strata were formed, 23 -- almost all the land in, has emerged since the deposition of the chalk, 330 European tertiary strata, successive origin of the, 18 European alluviums in great part tertiary, 150 Excavation of valleys, 319 Faluns of Touraine, 203 -- comparison between the English crag and the, 203, 204 -- were formed in a shallow sea, 204 -- organic remains of the, 204, 206 Fasano, escarpment of marine strata seen near, 78 Fault in the cliff~hills near Lewes-see section, wood-cut No. 76,301 . Finochio, view of the rock of, w1th the lavas of 1811 and 1819 flowing round it-see wood-cut No. 21, 92 Firestone of the Weald Valley, 286 -- terrace formed by the harder beds of-see wood-cut No. 67, 291, 292 Fish, skeletons of, by no means frequent in a fossil state, 47 -- fossil, of Castrogiovanni, 67 Fitton, Dr., on the secondary rocks of the Valley of the Weald, 286 --on the denudation of the Weald Valley, 289 Fitton, Dr., on faults in the strata of the Forest ridge, 293 -- on a line of vertical and inclin· ed strata from the Isle of Wight to Dieppe, 315 -- an ammonite found in the Maes· tricht beds by, 325 -- on the extent and thickness of the Wealden, 329 -- on the delta of the Niger, 329 Fiume Salso, in Sicily, 252 Fleming, Dr., on the effects of the deluge) 271 Flinty slate, slate-clay or the lias, COO• verted into, by trap dike, 370 Flood, supposed effects of the, 270 -- hypothesis of a partial, 270 Floridia, schistose and arenaceous limestone of, 66 Fluvia, river, ravines in lava excavated by, 186, 189 Forest ridge of the Weald Valley, 293 --faults in the strata of the, 293 -- thickness of masses removed from the, 313 Formations, causes of the superposition of successive, 26 -- universal, remarks on the theory of, 38 -- new subdivi~ions of the tertiary, 52 Fossa Granue, section of Vesuvilts seen in, 84 Fossilization of plants and animals partial, 31 Fossils, distinctness of the secondary and tertiary, 327 Fresh-water deposits, secondary, why rare, 330 Fuveau, in Provence, tertiary strata of, 276 Gabel Tor, volcano of, 136 Galieri, a bed of corals found standing erect among igneous and aqueous for· mations at, 73 Ganges, the crocodile of the, found both in fresh and salt water, 330 Gannat, fresh-water limestone of, 232 Garnets, in altered shale, 369 . Garrinada, hill of, described-(see frontis-piece,) 187 Gavarnie, cirque of, 88 -- lamination of clay-slate near-see wood-cut No. 89, 366 Gault of the Valley of the Weald, 286 --valley formed at its out-crop, 292 -- forms an escarpment towards the Weald clay, 293 Gemunden Maar, view of the-see wood cut No, 49, 195 |