viii List of Woodcuts. 



PAGE 



Diagram showing "Width of the Mississippi at various points 448 



Course of the Eiver Amazon 448 



Actual Junction of Tributaries of the Mississippi at acute angles 449 



Same Eiver joined at right angles 449 



Alternate Headlands and Coombes 450 



Diagram of the effect on Velocity in relation to different quantities 450 



Diagram of the Eiver Danube 451 



Angular Junction of Side Stream with Main Eiver 451 



Mount Tabor, from a photograph 452 



Diagram of Outline of Mountain 452 



Fish Back Hill 453 



Section of Pish Back Hill 453 



Section of a Hill of Glacial Drift 454 



Section of Two Hills , 454 



Outline of Sand Hills near Leighton Buzzard 454 



Ecclesbourn Glen 455 



Folkestone in the Pluvial Period . 456 



Ecclesbourn Glen in the Pluvial Period 456 



Section showing Surfaces removed by Denudation 457 



Gorge through Chalk Hills being formed 457 



Gorge through Chalk Hills formed „ 458 



Diagram of Eutmoo Eiver 459 



Black Gang Chine, Isle of Wight 460 



View of Dovedale, Derbyshire 461 



Diagram of East and "West Flexures of Gault and Wealden Beds 462 



Drawing of an ordinary Injector 468 



Section of a Eiver Perforating an Escarpment 473 



Diagram showing the effect of Transverse Flexures on the Weald Clay 473 



Map of a portion of Central Sumatra 477 



Diagrammatic Section of Sumatra from Padang to Doerian Gedang 483 



Diagrammatic Section of the Western Part of the Island of Mas 483 



Meteoric Iron Eing which fell at Tucson, 1854 499 



Section of Mendip Hills 567 



