THE REUSS. 
2 I I 
at fairly regular inter»-als of .1000 feet, evidently 
recurrent layers of specially hard rock. In proof of 
this it may be observed that each ridge has a weather 
and a lee side. The weather or upper side is sloping, 
ground and polished by the action of ice and water, 
while the side towards the valley has been left steep 
and rough. 
Between two of these reefs the Fellibach falls into 
the Reuss. 
The valley of the Reuss is here at a height of 
Fig. 142. — Reefs in the valley of the Reuss. 
713 metres. A very steep path leads up to the 
houses of Felliberg, beyond which the inclination be- 
comes much gentler. 
The bridge at Pfaffenspnmg below Wasen leads 
again across a vertical gorge over 100 feet in depth. 
Here the Meien Reuss reaches the valley in a deep 
cutting from the high-lying Meienthal. 
The Granite — or, as it is marked on the map, 
Granite Gneiss of the Upper Reuss — is vertically cleft 
in two directions approximately at right angles to 
14* 
