THE RHINE. 
I9I 
At Somvix the structure is similar. The next 
figure (Fig. 135) gives a section at Trims, and shows 
Fig. 134. — Section across the Rhine Valley at Disscntls. 
the structure of the Bifertenstock and the Brigelser- 
horner. 
From Trims to Ilanz the valley is excavated in 
Fig. 135. — Section across tlic valley of the Rhine at Truns. 
Verrucano, which forms the root of the south wing 
of the great Glarner double fold (see ante, p. 175). 
"P.Miexdl 
