1 1 8 
SCENERY OF SWITZERLAND. 
same manner arises when two glaciers meet, as for 
instance the Talefre and the Lechaud (Fig. 30), 
where we have transverse pressure and in con- 
Mont 
Tacul 
m 'M 
' 4mm 
Y 
c/e Periads 
Fig. 30. — Sketch Map of tho-Mer de Glace. 
sequence longitudinal veining. How great must be 
the pressure in such cases we can faintly realise if 
we bear in mind that the glaciers which unite to 
form the great Gorner Glacier have a width of 5200 
