Plate V. 



Fig. 1. 





C* 



*<dL 



i5?^r- 





& 



«/ 



Ai 



Showing the changes in the sediments as ice approach 

 the granite "shore line.'''' At the line a, the fragments are large 

 and unworn. Farther out they are more rounded and have 

 a matrix of pebbles and sand. Between the lines aa, 

 and bb } there is abelt, that, although probably Sedimentary 

 can hardly be distinguished from the true granite. 



Fig. 2. 



Thickening of Sedimentary beds along the "Shore 

 line" as seen near Manitou. 



