CONTENTS. 



CHAPTER L 



PAes 



Introductory, 1 



CHAPTER II. 



Transfer, Modification, and Extirpation of Vegetable and 



OF Animal Species, 55 



CHAPTER III. 

 The Woods 146 



CHAPTER IV. 

 The Waters, 387 



CHAPTER V. 

 The Sands, 525 



CHAPTER VI. 



Great Projects of Physical Change Accomplished or Pro- 

 posed BY Man, 584 



