OCR Text |
Show INDEX. VoL. Ill, AuErtDEENSIIIRE, passage from trap into granite in, 361 A hesse, near Dax, section of inland cliff at, -see wood-cut No. 53, 210 Acquapemlente, alternations of volcanic tuffs with the Subapennine marls at, 159 Adanson on the age of the baobab tree, 99 Addington hills, 279 Aderno, opposite dip of the strata in two sections near, 78 Adour, section of tertiary strata in the valley of the-see diag. No. 51, 207 Adur, view of the transverse valley of the river-see wood-cut No. 73, 299 Agassiz, M., on fossil fish of the brown coal formation, 200 -- on the fossil fish of the Paris basin, 253 -- on the distinctness of the secon· dary and tertiary fossil fish, 327 Age of volcanos, mode of computing the, 97 Ages, relative, of rocks how determined1 35 Aid at, Lake, how formed, 269 Aix, in Provence, tertiary strata of, 276 -- fossil insects abundant in the calca-reous marl (Jf, 277 Albenga, height of the tertiary strata above the sea at, 16.5, 166 -- re~emblance of the strata at, to the Subapennines, 167 Allan, Mr. T., his discovery of the bones of mammalia in the fresh-water strata of the Isle of Wight, 281 Allier, river, section of volcanic tuff and fresh-water limestone on the banks of the, 258 Alluvium, passage of marine crag strata into, 181 . -- ancient, of the valley of the Rhme, 200 --of the Weald valley, 295 Alluviums formed in all ages, 145 -- of the newer Pliocene period, 139, 145, 151 -- distinction between n>gular suba-queous strata and, 145 --- marine, 145 -- British, how formed, 147 -- European, in great part tertiary 1 150 Alluviums, underlying lavas 'of Catalonia 18~ 18~ 19~192 ' --of the Miocene era, localities of, 217 -.- trachytic breccias alternating with, JD Auvergne-see wood-cut No. 54,217 -- of Auvergne, extinct quadrupeds in, 218 -- of different ages covered by lava in Auvergne-see wood-cut No. 611 266 --of the Eocene period, 317 Alps, shells drifted into the Mediterranean from the, 48 -- erratic blocks of the, 148 -- Maritime, tertiary strata at the base of the, 164 -- secondary strata penetrated by gra .. nile in the, 358 --strata of oolite altered in the, 371 Altered strata in contact with granite, 370, 371 -- strata, enumeration of the proba• ble conversions of sedimentary strata into well-known metamorphic rocks, 373 Alternations of strata with and without organic remains, how caused, 254 Alum Bay, alternation of the London and plastic clay in, 278 Amer, geological structure of the country near, 185 Anapo, valley of the, Ill Andernach, gorge of, 152 ---- loess and volcanic ejections alternating at, 153 Andes, sudden rise of the, said to have caused the historical deluge, 148 Angers, fossil shells found at-see tables Appendix I. Anglesea, changes caused by a volcanic dike in, 363 Animals, their fossilization partial, 31 -- remains of, in the successive tertiary periods, 59 Anoplotherium found in the fresh-water formation of the Isle of Wight, 281,317 Autbracite, whence derived, 373 Anticlinal axis of the Weald ,·alley-see wood-cuts Nos. 63 and 64, 288 Anticlinal and synclinal lines dest:ribedsee wootl-cut No. 681 293 |