"Well," Jack went on, "I'm sure my Dad will let me go. He wants me
to go about all I can. Says it brightens a fellow to rub up against
the rough places of the world."

"There's rough corners enough in South America," laughed Harry.

"Now, let us get down to figures," Jack continued. "We ought to be
able to get to the mouth of the Amazon on a fast boat, with the
Black Bear and the Wolf on board, in a week or ten days-say ten
days. About that time they will be getting into Paraguay. What do
you think of it?"

"Fine!" cried Harry.

"The best ever!" Frank responded. "But what then? We can't run up
to Paraguay in the Black Bear."

"We can get away up in the Andes," answered Jack, with the map of
Brazil before him. "See these crooked little lines? Well, those
are rivers. Just see how far we can go in a motor boat."

"But that won't bring us to the aeroplane," Frank objected.

"Yes, it will," Harry answered. "They are coming back by way of the
Amazon valley, and we can't miss them. Oh, what's the use? Suppose
we begin packing?"

"Well, I don't know exactly what we are to do after we get up the
Amazon," Harry laughed, "but I'm game to go. There are head-hunters