Appendix C 395 



minutes the river received the Rio Kermit from the left. 

 At 1 1 degrees 22 minutes the Marciano Avila entered it 

 from the right. At 11 degrees 18 minutes the Taunay 

 I .ered from the left. At 10 degrees 58 minutes the 

 Cardozo entered from the right. At 10 degrees 24 min- 

 utes we encountered the first rubber man. The Rio 

 Branco entered from the left at 9 degrees 38 minutes. 

 We camped at 8 degrees 49 minutes or approximately 

 the boundary line between Matto Grosso and Amazonas. 

 The confluence with- the upper Aripuanan, which entered 

 from the right, was in 7 degrees 34 minutes. The mouth 

 where it entered the Madeira was in about 5 degrees 30 

 minutes. The stream we have followed down is that 

 which rises farthest away from the mouth and its general 

 course is almost due north; 



My dear Sir, I thank you from my heart for the 

 chance to take part in this great work of exploration. 



With high regard and respect, believe me 

 Very sincerely yours, 



Theodore Roosevelt. 



