E' ru 



.CES 

 LIBRARY 



TO 



WILLIAM SMITH, ESQ. 



WHO HAS SPENT HIS LIFE 



IN ESTABLISHING 'THE 



PHILOSOPHICAL PRINCIPLES OF GEOLOGY, 



AND IN APPLYING THEM, WHEN ESTABLISHED, 



TO PRACTICAL USE, 



THIS WORK 



IS RESPECTFULLY DEDICATED, 

 BY HIS AFFECTIONATE NEPHEW, 



AND GRATEFUL PUPIL, 



JOHN PHILLIPS. 



