A SECOND VISIT 



TO 



THE UNITED STATES 



NORTH AMERICA. 



BY 



SIR CHARLES LYELL, F.R.S. 



PRESIDENT OF THE GEOLOGICAL SOCIETY OF LONDON, 



AUTHOR OF &quot; THE PRINCIPLES OF GEOLOGY,&quot; 



AND &quot; TRAVELS IN NORTH AMERICA.&quot; 



IN TWO VOLUMES. 



VOL. II. 



LONDON: 

 JOHN MURRAY, ALBEMARLE STREET. 



1849. 



