CONTENTS. 



INTRODUCTION. 



J)i;i'r{E 

 Evsixs 



ClIArTKI! I. 



ORIGIN OF LAKE BASINS, 

 isioxs ox New Laxd Ai;k.\s . . . . . 



DUE TO Atmospheric Agexcies 



" " Aqueous Agencies 



" " Glacial Agencies 



" " Volcanic Agencies 



" " Impact of Meteoks . 



" " Earthquakes .... 



" " Organic Agencies 



" " Movements in the Earth's Crust 



" " Land-Slides .... 



" " Chemical Action .... 



COXCLUSIOX 



1 



3 



5 



10 



17 



24 



2() 

 28 

 .'31 

 31 

 32 



Chapter 11. 



MOVEMENTS OF LAKE WATERS AND THE GEOLOGICAL FUNCTIONS 



OF LAKES. 



Tides 33 



Waves and Currents 33 



Seiche ................ 3o 



Tempkhature .............. 35 



IsKLi KNCE OF Lakes ox Climate ........... 37 



Influexce of Lakes on the Flow of Streams .38 



Lakes as Settling Basixs ............ .351 



Mechanical Sediments ............ 41 



Sea Cliffs 

 Tkr races 



Chapter TII. 

 TOPOGRAPHY OF LAKE SHORES. 



43 

 45 



