r 



(he 4j 



<ps, 



*We the 



glacier is 



• Dotting. 



; i and the 

 >e et above 

 er glacier 



face of (lie 



Pavilion, 



ived from 



upset on 



below the 



one on the 



r origin^ 

 as to 



e, so 

 i me 



cause 



cones are 



■)' 



, weatbtf 



ea 



3 incr 



heat ,; 



the 

 pro 



ting 



(T 



tecti*" 

 ftli« 



then 



ice 



con^ 



, er te 



J 



41) ^ 



GLACIERS OF THE ALPS. 



5 



6. — Very fine siliceous sand, derived from the Fluster Upper 

 ^4ar Horn, lying on a rock in place, touching the ice on the -— 

 left bank of the lower glacier of the Aar, below the Pavilion, in Recess 41. 



Illustrations of the former extension of the loiver glacier of 



the A 



ar. 



7. — Siliceous sand, derived from the rocks of the Finster 

 Aar Horn, 32 feet below the terminal slope of the lower 

 glacier of the Aar. 



8. — Siliceous sand, as above. 



9. — Finest sand, separated by suspension in water (de- 

 rived as above), from a moraine in the bottom of the valley 

 on the left bank of the Aarboden, 1,625 feet beyond the 

 present terminal slope of the glacier. 



10. — As above. 



11. — Fine sand, separated by the sieve, from moraine, as 

 above. 



12. — Sand, separated by the sieve, from moraine, as above. 



13. — Coarse sand, as above. 



14. — Fine gravel, separated by the sieve, from moraine, 



)tttL stetf as above. 



15. — Fine moraine clay, between the Grimsel and the 

 glacier, 5,850 feet above the sea ; at the bridge at the eflux of 

 the Aar from the Boden, on the right and left banks, 30 to 

 50 feet below the level of the torrent of the Aar. 



erfl 



More ancient extension. 



16. — Fine moraine clay, from a moraine at the bottom of 

 the valley, containing blocks and rounded and angular peb- 

 bles, scratched and polished. It lies on a roche moutonnee 

 of sandstone, on the left bank of the Aar, at the new bridge 

 of Tiefenau, on the neiv road to Berne. 



17. — Moraine mud, sand, and fine angular gravel, in 



place at JRoderichsboden, between the Grimsel and Handeck } 

 9 feet above the level of the torrent, left bank. 



