

Ch. XXL] 



CHANGES IN THE ARMS OF THE RHINE. 



5-19 



hundred thousand human beings having perished in the 



waves. 



Changes in the arms of the Rhine. — The Rhine, after flowing 



from the Grison Alps, copiously charged with sediment, first 



purifies itself in the Lake of Constance, where a large delta 



is formed ; then swelled by the Aar and numerous other 



tributaries, it flows for more than six hundred miles towards 



the north ; when, entering a low tract, it divides into two 



Fie:. 55. 



• 





1 



1 



f 



WJV.JLat, 



Heliffolcmcl 



Line of Coast from Nieuport 

 tj the Mouth of the Elbe, 



in which 

 Changes have been observed 



since the 



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FT* 



Historical Period, 



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E iJ^G I U M 



The dark tint between Antwerp and Nieuport, represents part of the Nether- 

 lands which was land in the time of the Komans, then overflowed 

 by the sea before and during the 5th century, and afterwards 



reconverted into land. 



The letter h west of Amsterdam indicates the Lake of Haarlem drained in 



1853, and turned into arable land 13 feet below the sea-level. 



miles 



a point which 



must therefore be considered the head of its delta. (See , 

 map, fig. 55.) In speaking o 



assume that 



Holland 



>t mean 

 compris 



within the several arms of the Bhine can be called a delta in 



