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 : DoHkums — 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 andj^^j/nates 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 f^orth 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 

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

 V\TiaIe, 553 , 244 



CHAPTER XVI. 



ST"t)RMS. 



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 ol 

 Capricorn, 566. — Storm and Rain Charts, 567 2o7 



