142 TOM SWIFT'S ELECTRIC LOCOMOTIVE
freight mentioned Koku. His eccentric behavior doubtless somewhat puzzled the rail-roaders.
"That's all right," chuckled "Let them think Koku is dangerous if they want to. That O'Malley person believed he was!"
"I'll say so!" replied Tom. "The way he ran when Koku started after him that time on Waterfield Road seemed to prove that he didn't want to mix with Koku."
"If he—or other spies—learns that Koku is with the Hercules Three-Oughts-One, it ought to wan them away from the locomotive."
This was Ned's final speech before getting into his berth. He, as well as Tom, slept quite as calmly on this fist night out of Chicago as they had before.
They knew exactly where the electric locomotive was. It was on the same road as this train were they traveling in, and, although on a different track, it was not many miles ahead. In fact, if the two trains kept to schedule, the trans-continental passenger train would pass the freight in question about five o'clock the morning.
It lacked half an hour of that time when the Pullman train came suddenly to a jolting stop. Both Tom and Ned were awakened with the rest of the passengers in their coach.
Heads poked out between curtains between all
