“They’ve gone back,” Alex ventured. “They’ve given up all hope of getting us to-night. I wonder why they are after Frank, and why he is so close-mouthed about the matter?”
“Whatever the difficulty is,” Clay said, “there is likely to be more incidents like this before we get back to the South Branch.”
“Are you going to stop at Gurupa?” asked Alex, disappointed at the reticence of the other.
“We must have more gasoline,” was the reply.
“Why, we filled the tanks at Para!”
“Just so, but one of the tanks sprung a leak, and we’ve got just about half enough for our needs.”
Alex gave a low whistle of amazement.
“And we’ve got too little money to let it run out of the tanks without getting us anywhere,” he said.
“When we fill the tanks,” Clay said, dejectedly, “we’ll be just about out of money.”
Another long whistle from Alex.