HON 
cee 
WOODS 
HOLE, 
MASS. 
CONTENDS. 
PART J. 
THE PHYSICAL GEOGRAPHY OF THE SEA. 
CHAPTER I. 
THE MAGNITUDE OF THE SEA, 
Extent of the Ocean.—Leneth of its Coast-Line.— Mural, Rocky, and Flat Coasts. 
—How deep is the Sea ?—Average Depth of the Atlantic Ocean.—The Tele- 
graphic Plateau between Newfoundland and Ireland.—Measurement of Depth 
by the Rapidity of the Tide-Wave.—Progressive Changes in the Limits of the 
Ocean.—Alluvial Deposits.—Upheaving.—Subsidence. —Does the Level of the 
Sea remain unchanged, and is it everywhere the same ?—Composition and 
Temperature of Sea-Water.—Its intrinsic Colonr.—The Azure Grotto at Capri. 
—Modification of Colour owing to Animals and Plants.—Submarine Landscapes 
viewed through the Clear Waters . . ‘ A Page 3 
CHAPTER IL 
THE WAVES OF THE OCEAN 
Waves and the Mode of their Formation.—Height and Velocity of Storm-Waves. 
on the High Seas, according to the Calculations of Scoresby, Arago, Sir James 
Ross, and Wilkes.—Their Height and Power on Coasts.—Their Destructive 
Effects along the British Shore.—Dunwich.—Reculver.—Shakspeare’s Chiff. 24 
CHAPTER III. 
THE TIDES, 
Description of the Phenomenon.—Devastation of Storm-Floods on Flat Coasts.— 
What did the Ancients know of the Tides ?—Their Fundamental Causes revealed 
by Kepler and Newton.—Development of their Theory by La Place, Euler, and 
Whewell.—Vortices caused by the Tides.—The Maelstrom.—Charybdis.—The 
Barre at the mouth of the Seine.—The Euripus  , ° ° 
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