"A clap of thunder broke off the conversation at this point, and when the reverberations rolled away, it was not resumed. The horsemen had gathered under some trees to the right of us, and now occupied their time in watching for their comrades and in examining the arms and other traps which they carried.
"I had listened to their talk in rising horror, and the clutch Rexwell took upon my arm told me plainly that he was not less affected. As the thunder died away, he whispered hoarsely into my ear: 'Train wreckers!'
"I looked at him and nodded. 'They are going to wreck the express to-night, too,' I added in a whisper.
"'We must stop them.'
"Yes, that was plainly our duty. But how was the deed to be accomplished? We were only two to four, or more, and our small pocket arms would prove of small value should we expose ourselves and provoke a 'mix-up.'
"'That Shorer is the notorious train wrecker from Scotland,' said Rexwell. 'There is a reward up for his capture, I think.'
"'Let's effect his capture, and collar the reward,' I cried eagerly.
"'Hush, Robert! Collar the reward! If they found us here they wouldn't hesitate to fill us full of holes. That Shorer is as cold-blooded as they make them.'