J. Allan Dunn, The Treasure of Atlantis — IV. Caxoeira Canyon (1916)
“ Did not Mirradoche see the Sky City and the people walking?""Nevertheless we will go," declared Morse, "even if we go alone. Where is the way?""You are strong men and brave," said the chief thoughtfully, "and friends of my friend. Therefore I warn you. But you men of other jungles are all mad and most stubborn. Yet, maybe you are magicians. Have I not heard of him who swings in the trees and talks to the apes like a brother?"It was somewhat of an exaggeration; but Laidlaw, who had long ago mastered the key language of the Amazonian dialects, laughed. ”
