TABLE OF CONTENTS, 



List of Illustrations 



General remarks 



Copper Boulders and Nuggets in the Drift 



Local Sections and Details 



Drift Sections . 



Vegetable Remains of the Drift 



Animal Remains of the Drift . 



Shells from the Drift and other Superficial Materials 



Ancient Terraces and Ridges 



Glacial Strice , 



Encroachment of the Water upon the Land 



Boulders Moved by Ice 



Lakes of Erosion .... 









V 



1 









11 



. 







12 









12 









13 









15 



3f the Northwest 







16 

 17 

 22 

 24 

 28 

 29 



( iii ) 



