,g„8 I THE PHYSICS OF THE EARTH. 267 



eaus, and continents, seismic sea waves, trenches and holes in the 

 bottom of the sea, the feeble attraction of mountains, and plateaus, 

 the equilibrium of the globe between the land and water hemispheres, 

 are all closely related and dependent upon a single physical cause. 







^ 



f 



Fig. i6. Water Hemisphere, which has the World Ridge around it, drawn 

 by W. R. Smith, of Mare Island. 



In view of the order and harmony thus established among these 

 varied phenomena, who will not concur in the view of the great 

 Newton that " Nature is pleased with simplicity and affects not the 

 pomp of superfluous causes " ? 



