CONTENTS 



PAGE 



Water Plants ■ 252 



Water Animals 253 



Origin of Rivers 255 



The Course of Rivers . . ... 256 



Deltas 272 



CHAPTEK VIII 



Rivers and I^akes 



On the Directions of Rivers . 



The Conflicts and Adventures of Rivers 



On Lakes 



On the Configuration of Valleys 



277 

 279 

 301 

 312 

 323 



CHAPTEE IX 



The Sea 335 



The Sea Coast ... ... 337 



Sea Life 344 



The Ocean Depths 351 



Coral Islands . . 358 



The Southern Skies 365 



The Poles 367 



CHAPTER X 



The Starry Heavens 373 



The Moon 377 



The Sun 382 



The Planets . 387 



