"What are you talking about?" asked Blake.
"The Gatun Dam," was the answer. "If ever it was blown up by dynamite it would make a wonderful scene."
"Too wonderful," said Joe grimly. "It would be a terrible crime against civilization to destroy this great canal."
"Yes, it would be a great crime," agreed the Spaniard in a low voice. A little later he went to his stateroom on the tug, and Blake and Joe remained on deck.
"Queer sort of a chap; isn't he?" said Joe.
"He sure is—rather deep," agreed his chum.
"Are you boys going into the jungle?" asked the tug captain that afternoon.
"Yes, we want to get a few views showing life in the woods," answered Blake. "Why?"
"Well, the reason I asked is that I can take you to the mouth of the Chagres River and from there you won't have so much trouble penetrating into the interior. So if you're going—"
"I think we had better go; don't you?" asked Blake of his chum.