INDEX, 



VOL. Ill, 



BERDEENSHIRE, passage from trap into 



granite in, 361 

 besse, near Dax, section of inland cliff at, 



see wood-cut No. 53, 210 

 cquapendente, alternations of volcanic 



tuffs with the Subapennine marls at, 



159 



danson on the age of the baobab tree, 99 

 ddington hills, 279 

 .derno, opposite dip of the strata in two 



sections near, 78 



dour, section of tertiary strata in the val- 

 ley of the see diag. No. 51, 207 

 dur, view of the transverse valley of the 



river see wood-cut No. 73, 299 

 gassiz, 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 



ge of volcanos, mode of computing the, 97 

 ges, relative, of rocks how determined, 35 

 idat, Lake, how formed, 269 

 ix, in Provence, tertiary strata of, 276 



fossil insects abundant in the calca- 

 reous marl of, 277 



Ibenga, height of the tertiary strata above 

 the sea at, 165, 166 



resemblance of the strata at, to 

 the Subapennines, 167 



Han, Mr. T., his discovery of the bones 

 of mammalia in the fresh-water strata of 

 the Isle of Wight, 281 

 llier, river, section of volcanic tuff and 

 fresh-water limestone on the banks of 

 the, 258 



lluvium, passage of marine crag strata 

 into, 181 



ancient, of the valley of the Rhine, 

 200 



of the Weald valley, 295 

 lluviums formed in all ages, 145 



of the newer Pliocene period, 139, 

 145, 151 



- distinction between regular suba- 

 queous strata and, 145 



marine, 145 



, British, how formed, 147 



r^ European, in great part tertiary, 150 



Alluviums, underlying lavas 'of Catalonia, 



188, 189, 190, 192 

 of the Miocene era, localities of, 



217 

 trachytic breccias alternating with, 



in Auvergne see wood-cut No. 54, 21 7 

 of Auvergne, extinct quadrupeds in, 



218 

 ' of different ages covered by lava in 



Auvergne see wood-cut No. 61, 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- 

 nite in the, 358 



strata of oolite altered in the, 371 



Altered strata in contact with granite, 370, 



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, valiey of the, 111 



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, 368 



Animals, their fossilization partial, 31 



remains of, in the successive ter- 

 tiary periods, 59 



Anoplotherium found in the fresh-water 

 formation of the Isle of Wight, 281, 317 



Anthracite, whence derived, 373 



Anticlinal axis of the Weald valley see 



wood-cuts Nos. 63 and 64, 288 



Anticlinal and synclinal lines described-=r 

 see wood-cut No. 68, 293, 



