CHAPTER III.

THEORY OF DENUDATION--FURTHER ILLUSTRATIONS.

The Breakers of the Ocean--Caverns and Fairy Bridges of Kilkee--Italy and Sicily--The Shetland Islands--East and South Coast of Britain--Tracts of Land swallowed up by the Sea--Island of Heligoland--Northstrand--Tides and Currents--South Atlantic Current--Equatorial Current--The Gulf Stream--its Course described--Examples of its Power as an Agent of Transport, 61