TO 



CHARLES LYELL, Esq., F.R.S., 



THIS SECOND EDITION IS DEDICATED WITH GRATEFUL PLEASURE, AS AN 

 ACKNOWLEDGMENT THAT THE CHIEF PART OF WHATEVER SCIENTIFIC 

 MERIT THIS JOURNAL AND THE OTHER WORKS OF THE AUTHOR 

 MAY POSSESS, HAS BEEN DERIVED FROM STUDYING THE WELL-KNOWN 

 AND ADMIRABLE 



PRINCIPLES OF GEOLOGY 



QH 



II 



D2 



