106 



INDEX. 



Table-Mountain, JCape of Good Hope, in 



tersected by veins see wood-cut No 



85, 354 



Tanaro, plains of the, 211 

 Taro, river, nature of the sediment depo 



sited by the, 161 

 Taunus, beds and large quartz veins foun 



in the mountains of the, 201 

 Tech, tertiary strata in the valley of the, 17( 

 Ter, valley of the, 185 

 Teronel, river, lava excavated by the, 189 

 Terraces, manner in which the sea de 



stroys successive lines of see wood-cu 



No. 24, 111,292 



Terranuova, dip of the]tertiary strata at, 74 

 Tertiary formations, general remarks on 



the, 15 



of the Paris basin, 16, 241 



at first all referred to the age of those 



of the Paris basin, 17, 19 

 origin of the European, at successive 



periods, 18 



of the sub-Apennine hills, 18 



of Touraine, 20 



of Bordeaux and Dax, 20 



of Piedmont, 20 



of the Valley of the Bormida, 21 



of the Superga, near Turin, 21 



of the basin of Vienna, 21 



newer than the sub -Apennines, 21 



the newest often blend with those of 

 the historical era, 22 



different circumstances under which 



these and the secondary formations may 



have originated, 23, 329 

 state of the surface when they were 



formed, 24 

 classification of, in chronological 



order, 45 

 new subdivisions of the, 52 



numerical proportion of recent shells 



in different, 53, 54, 55, 58 



mammiferous remains of successive, 



59 



Synoptical Table of Recent and, 61 



of Sicily, 63 



of Campania, 118 



of Chili and Peru, 130 



of the West India Archipelago, 132 



of the East India Archipelago, 133 



of Norway and Sweden, 135 



on the western borders of the Red 



Sea, 135 



identity of their mineral composition 

 no proof of contemporaneous origin, 161 



of the Po, Arno, and Tiber, their re- 

 semblance, 161 



at the base of the Maritime Alps, 164 



at the eastern extremity of the Py- 

 renees, 170 



in Spain, 170 



in the Morea, 170 



of England, 18, 19, 135, 171, 277 



Tertiary formations, of Touraine, 20, 203 



of the basin of the Gironde and the 



district of the Landes, 206 



of Piedmont, 211 



of Switzerland, 212 



of Styria, Vienna, Hungary, &c., 212 



of Volhynia and Podolia, 215 



of Montpellier, 215 



of Auvergne, 217, 226 



of Velay, 219, 235 



of the Orleanais, 219 



of the Upper Val d'Arno, 219 



of Cadibona, 221 



of the Cantal, 236 



of the Cotentin, or Valognes, 276 



of Rennes, 276 



. of the Netherlands, 276 



of Aix in Provence, 276 



no species common to the secondary 



and, 327 

 Testacea, fossil, of chief importance, 47^ 



marine, wide range of, 44, 48 



longevity of the species of, 48, 56 



Tet, valley of the, tertiary strata found 



in, 170 

 Thames, basin of the, 18 

 Theorizing in geology, different methods 



of,l 

 Tiber, river, has flowed in its present 



channel since the building of Rome, 138 

 yellow sand deposited by the, 161 



valley of the, 139 



Time, effects of prepossessions in regard to 

 the duration of past, 97 



Touraine, tertiary strata of, 20, 203 



and Paris, relative age of the tertiary 



strata of see diagram No. 3, 20 



fossil shells of see Tables, Appendix I. 



Prachytic breccias and alluviums alternat- 

 ing in Auvergne, 217 



Transition formations, remarks on, 13 



Transverse valleys in the North and South 

 Downs see wood-cut No. 73, 298 

 remarks on their formation, 299 



' supposed section of one of them 

 see wood-cut No. 74, 300 



^ransylvania, tertiary formations of, 213 

 - age of the tertiary strata of, 215 



volcanic rocks of, 223 



fossil shellsof seeTables, Appendix I. 

 ~>ap rocks, origin of the term, 360 



of Scotland, how formed, 360 



passage of, into granite, 361 



rass of the Rhine volcanos, 197 



its origin, 198 



'ravertins of the valley of the Elsa, 137 



of Rome, recent shells with the tusk 



of the mammoth found in, 138 ^ 



'rees, longevity of, 99, 272 

 rezza, bay of, sub-Etnean formations ex- 

 posed in the, 78 



proofs of sub- marine eruptions in the 



78,81 



