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. 
BIBLIOTHEEK 
RIJKSMIlSEliM VAN GEOtCSiE E8 KlSEMLOiiSi: 
Hoegl. Kerkfrecht 17 — Leiden 
