"Perhaps it will last long enough for what I want," the captain said.
"If you'll excuse me, I'll go back and get the camera I was so careless as to leave out," spoke Mr. Alcando.
"I'm glad he's gone," Captain Wiltsey said, as the cabin door closed. "I'd rather tell this to just you boys. I've just had a queer warning," he said.
"A warning?" repeated Joe.
"Yes, about Gatun Dam. There's a rumor that it is going to be destroyed!"
CHAPTER XXIII
THE FLASHLIGHT
For an instant the moving picture boys could hardly grasp the meaning of the fateful words spoken by Captain Wiltsey. But it needed only a look at his face to tell that he was laboring under great excitement.
"The Gatun Dam to be destroyed," repeated Joe. "Then we'd better get—"