"And you know that country--the country around the lake?"

"Very well, indeed."

"It is a long way from Asuncion?"

"It is barely a third of the way. You will see on the map."

"Well," Ned said, after a short silence, "I may as well tell you
what I want. I want to be directed to a place in the mountains
where I can securely hide our aeroplane. It must be a hiding place
absolutely out of sight, especially from the sky. Do you
understand?"

The Indian nodded, a knowing smile on his dusky face.

"You mean to hide from the other airship?" he asked.

"Yes."

"There are caverns near Lake Titicaca."

"So I understand. Caverns which defy exploration. But, you see, I
must have a hiding place from which the airship can be brought out
with speed and returned in the same way."

"To dodge out and in? Yes, I comprehend."

The two dwelt over the maps and plans until; Leroy and Jimmie came
romping in to report that all was quiet at the machine, and that