A SECOND VISIT 



THE UNITED STATES 



NORTH AMERICA. 



BY SIR CHARLES LYELL, F.R.S., 



PRESIDENT OF THE GEOLOGICAL SOCIETY OK LONDON, AUTHOR OF &quot;THE PRINCIPLES 

 OF GEOLOGY,&quot; AND &quot;TRAVELS IN NORTH AMERICA.&quot; 



IN TWO VOLUMES. 

 VOL. II. 



NE W YORK: 



HARPER & BROTHERS, PUBLISHERS. 

 LONDON: JOHN MURRAY. 



1849. 



