H55 



33d Congress, > jjq^ qji j^^pg # ( Executive, 



1st Session. \ ) No. 53. 



EXPLORATION 



VALLEY OF THE AMAZON, 



MADE UNDER DIRECTION OF 



THE NAVY DEPARTMENT, 



WM. LEWIS HERNDON AND LARDNER GIBBON, 



LIEUTENANTS UNITED STATES NAVY. 



PART I. 



BY LIEUT. HERO ON. 



WASHINGTON: 



ROBERT ARMSTRONG, PUBLIG^illTER 



1854 ' % MAY 4 1940 

 . 3A33 



