NAREATIYE 



OF THE 



UNITED STATES 



EXPLORING EXPEDITION. 



DURING THE YEARS 



1838, 1839, 1840, 1841, 1841 



BY 



CHARLES WILKES, U. S. N. 



COMMANDER OF THE EXPEDITION, 

 MEMBER OF THE AMERICAN PHILOSOPHICAL SOCIETY, ETC. 



IN FIVE VOLUMES, AND AN ATLAS. 



VOL. IV. 



PHILADELPHIA: 



LEA & BLANCHARD. 

 1845. 



