xn STRATIGRAPHICAL GEOLOGY 



CHAPTER XII 



THE TRIASSIC SYSTEM 



PAGE 



A. Nomenclature and Classification B. Life of the Period : 

 Marine Fauna, Lacustrine Fauna C. The Trias in Britain : 

 Bunter Series, Keuper Series D. The Trias in Europe: . 

 Germany, Alpine Region, France E. The History of the 

 European Trias References ....... 347 



/ 



CHAPTER XIII 



THE JURASSIC SYSTEM 

 A. Nomenclature and Division B. Life of the Period . . 382 



I. The Lias or Lower Jurassic Series 



A. The British Lias : Subdivisions, Fauna, Stratigraphy : South- 

 west Province, Midland Counties, Yorkshire, Cumberland, 

 Ireland and Scotland B. Continental Liassic Strata : France, 

 Germany, Sweden, Alpine Region, Hungary .... 386 



//. Middle Jurassic Series 



A. Stages and Zones B. Life of the Period C. Middle Jurassic 

 of England : Inferior Oolite (Bajodan], Bath Oolites (Bath- 

 onian) D. Middle Jurassic of Scotland E. Continental 

 Equivalents : France, Germany, Alpine Fades . . . 409 



III. Upper Jurassic Series 



A. Subdivision and Nomenclature B. Life of the Period C. 

 Upper Jurassic of England : Oxford Clay, Corallian, Kimer- 

 idge Clay, Portland Beds, Purbeck Beds D. Upper Jurassic 

 of Scotland E. Continental Equivalents : France, Germantj, 

 Alpine Fades, Russian Fades History of the Jurassic Period 

 References . 432 



CHAPTER XIV 



THE CRETACEOUS SYSTEM 

 A. Nomenclature and Subdivisions B. Life of the Period . . 462 



