CONTENTS. xxi 



Winds : Precipitation on Land greater than Evaporation, 472. — The Place of Sup- 

 ply for the Vapors that feed the Amazon with Rains, 473. — Monsoons : How 

 formed, 474. — Monsoons of the Indian Ocean, 475. — How caused, 476. — How the 

 Monsoon Season may be known, 478. — The Distance to which the Influence of 

 Deserts upon Winds may be felt at Sea, 479. — Why there are no Monsoons in the 

 Southern Hemisphere, 482. — Why the Trade-wind Zones are not stationary, 483. 

 The Calm Belts : Doldrums — a Zone of constant Precipitation, 486. — The Horse 

 Latitudes, 488.--The Westerly Winds, 490 Page 217 



CHAPTER XIV. 



THE CLIMATES OF THE OCEAX. 



Gulf Stream likened to the Milky Way, ^ 492. — March and September the hottest 

 Months in the Sea, 496. — How the Isothermal Lines move up and down the Ocean, 

 498. — A Line of invariable Temperature, 508. — How the western Half of the At- 

 lantic is heated up, 509. — The Relation between a Shore-line in one part of the 

 World and Climates in another, 512. — The Climate of Patagonia, 516. — The Sum- 

 mer of the northern Hemisphere warmer than the Summer of the southern, indi- 

 cated by the Sea, 521. — How the cold Waters from Davis's Straits press upon the 

 Gulf Stream, 522. — How the different Isotherms travel from North to South with 

 the Seasons, 523,— The Polar and Equatorial Drift, 524 231 



CHAPTER XV. 



THE DRIFT OF THE SEA. 



Object of Plate IX., ^ 528. — The Eastern Edge of the Gulf Stream sometimes visi- 

 ble, 529.— The Polar Drift about Cape Horn, 533.— How the Polar Waters drift 

 into the South Atlantic, and force the Equatorial aside, 535. — How this is accom- 

 plished, 537.— A Harbor in a Bend of the Gulf Stream for Icebergs, 539. — Why 

 Icebergs are not found in the North Pacific, 540. — The Womb of the Sea, 541. — 

 Drift of warm Waters out of the Indian Ocean, 543. — A Suggestion from Lieu- 

 tenant Jansen, of the Dutch Navy, 544. — A Current of warm Water sixteen hund- 

 red Miles wide, 545. — The Pulse of the Sea, 546. — How the Gulf Stream beats 

 Time, 547.— The Circulation of the Sea likened to that of the Blood, 548.— The 

 Fish : Number of Vessels engaged in the Fisheries of the Sea, 551. — The Sperm 

 "VVTiale delights in warm Water, 552. — The Torrid Zone impassable to the Right 

 Whale, 553 244 



CHAPTER XVL 



STORMS. 



Typhoons, ^ 559. — Cyclones, 561. — West India Hurricanes, 562. — Extra-tropical 

 Gales, 563. — The San Francisco's Gale, 564. — These Gales seldom occur at cer- 

 tain Seasons, 565. — Most prevalent Quarter for the Gales beyond the Calm Belt of 

 Capricorn, 566. — Storm and Rain Charts, 567 257 



