164 
SCENERY OF SWITZERLAND. 
and lower Cretaceous (Berrias) strata curving upwards 
towards the lake, over the present site of which they 
must at one time have formed a great arch. The 
present south edge of these strata is not their original 
boundary. They are not the shore of the cretaceous 
sea, but were formed in a sea which at one time 
stretched far to the south. The lower cretaceous 
beds in fact reappear in patches and bands along a 
belt running from near Gsteig, parallel to, but some 
distance south of the Lake; and the Eocene along 
another belt, from the Bay of Uri, by Meiringen, to 
Grmdelwald. These must not be regarded as deposits 
formed in bays or fjords, but as remnants of once 
continuous deposits. 
The valley of Habkern is also celebrated for 
many fragments and blocks of red granite, known as 
