CHAPTER III

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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 32

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