THE EAETH 



AB 



MODIFIED BY HUMAN ACTION 



A LAST REVISION OF "MAN AND NATURE" 



BY 



GEORGE P. MARSH 



" Not all the winds, and storms, and earthquakes, and seas, and seasons of the world have 

 done so mnch to revolutionize the earth as Man, the power of an endless life, has done since 

 the day he came forth upon it, and received dominion over it."— H. Bushnell, Sermon on 

 the Power (tf an Endless Life. 



NEW YORK 

 CHARLES SCRIBNER'S SONS 



1907 



