Contents. xiii 



CHAPTER XIX. 



PAGE 



Recapitulation of the General Arrangement of the Stratified 

 Formations of England . 302 



CHAPTER XX. 



The Mountains of Devon, Wales, and the West of England 

 The Valley of the Severn, and the Oolitic and Chalk Escarp- 

 mentsThe Hilly Carboniferous ground of the North of 

 England, and its bordering plains and valleys The Physical 

 Relation of these to the Mountains of Wales and Cumber- 

 land 315 



CHAPTER XXI. 



The Origin of Escarpments, and the Denudation of the Weald 

 Grey Wethers and the Denudation of the Eocene Strata . 336 



CHAPTER XXII. 

 The Miocene and Pliocene Formations ..... 352 



CHAPTER XXIII. 

 The Glacial Epoch Existing Glacial Regions . . . .361 



CHAPTER XXIV. 

 Old British Glaciers 372 



CHAPTER XXV. 

 Old British Glaciers (continued} 398 



CHAPTER XXVI. 



Glacial Epoch (contimied} Submergence and Re-elevation of 

 Land, and Final Disappearance of British Glaciers . . 412 



CHAPTER XXVII. 

 Glacial Epoch (continued) Origin of certain lakes . . . 432 



