TO 



H. E. LAURO MtJLLER, 



SECRETARY OF FOREIGN AFFAIRS FOR BRAZIL, AND TO HIS 

 GOVERNMENTAL COLLEAGUES, 



AND TO 



COLONEL RONDON, 



GALLANT OFFICER, HIGH-MINDED GENTLEMAN, AND INTREPID EXPLORER, 

 AND TO HIS ASSISTANTS, 



CAPTAIN AMILCAR, LIEUTENANT LYRA, LIEUTENANT MELLO, 



LIEUTENANT LAURIAD(5, AND DOCTOR CAJAZEIRA, OF 



THE BRAZILIAN ARMY, AND EUSEBIO OLIVEIRA, 



OUR COMPANIONS IN SCIENTIFIC WORK AND IN THE EXPLORATION OF THE 



WILDERNESS, 



THIS BOOK IS INSCRIBED, 



WITH ESTEEM, REGARD, AND AFFECTION, 



BY THEIR FRIEND, 



THEODORE ROOSEVELT 



