BOOK II.
CHANGES NOW IN PROGRESS IN THE INORGANIC WORLD.
8. Aqueous causes now in action: Floods--Rivers--Carrying power of ice--Springs and their deposits--Deltas--Waste of cliffs and strata produced by marine currents: chaps. xiv. to xxii.
9. Permanent effects of igneous causes now in operation: Active volcanos and earthquakes--their effects and causes: chaps. xxiii. to xxxiii.