THE LONG TRAIL 



fair collection for the New York Museum 

 — Fairfield Osborn's museum." 



It was at Rio that father first heard of 

 the River of Doubt. Colonel Rondon in 

 an exploring expedition had crossed a 

 large river and no one knew where it went 

 to. Father felt that to build dugouts and 

 descend the river offered a chance to 

 accomplish some genuine and interesting 

 exploration. It was more of a trip than 

 he had planned for, but the Brazilian 

 Government arranged for Colonel Ron- 

 don to make up an accompanying expedi- 

 tion. 



When father went off into the wilds he 

 was apt to be worried until he had done 

 something which would in his mind justify 

 the expedition and relieve it from the 

 danger of being a fiasco. In Africa he 

 wished to get at least one specimen each 

 of the four great prizes — the lion, the 

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