THE OUTER- ALPS. 
6i 
sequently denudation took place to the dark line X, 
the comparatively soft Eocene strata suffering most, 
Fig. 86.— Diagram showing North shore of Alps in Miocene Times. 
\ve should have a section not unlike that of the Rigi 
and the Vitznauerstock (Fig. 85, ante, p. 55). 
Fig. 87. — After elevation of Alps. 
Mount Pilatus. 
Mount Pilatus consists of Urgonian, Neocomian, 
Cretaceous, and Eocene strata strongly folded. The 
