130 



THE FORMS OF WATER IN 



333. These are the Dirt Bands of the Mer de Glace ; 

 they were first observed by Professor Forbes in 1842. 



334. They extend down the glacier further than we 

 can see ; and if we cro&s the valley of Chamouni, and 





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climb the mountains at the opposite side, to a point 

 near the little auberge, called La Flegere, we shall 



