In two days they reached Chicago.

They were ahead of the cars.

A quick descent was made.

Frank and Reynard left the Pegasus and hastened to the depot, where they arrived just as the train came in.

Both were intensely excited.

“We must not miss him now,” said the inventor. “We have gone all around the world after that man, and it would be terrible if we were to lose him at the last moment.”

“He won’t get away now!” grimly asserted the detective.

“Here come the passengers. Keep your eyes open!”

They stood aside as the people came thronging from the cars, and watched every one closely.

Suddenly Frank drew a revolver.