The sound of the retreating footsteps became more and more faint, until finally they gave no clew to follow.
"Better stop," advised Tom. "No telling where we'll end up if we keep on running. Besides it might be dangerous."
"Dangerous; how?" panted Ned.
"They might dodge around, and wait for us behind some tree or bush."
"An' ef dat Foger feller am around he jest as soon as not fetch one ob us a whack in de head," commented Eradicate grimly.
"Guess you're about right," admitted Ned. "There isn't much use keeping on. We'll go back."
"What sort of fellows were they?" asked Tom, when, after a little further search, the hunt was given up. "Could you see them well, Ned?"
"Not very good. Just as I went to get you that wrench I noticed two faces looking in the window. I must have taken them by surprise, for they dodged down in an instant. Then I yelled, and they ran off."
"Did you see Andy Foger?"
"No, I didn't notice him."
"Was either of them one of the spies who had Mr. Petrofsky in the hut?"