At Schenectady it was necessary to change cars, and here Jet found an opportunity to send Harvey word.
On boarding the other train, the boy again succeeded in getting a seat directly behind his men without apparently having been observed by them.
They had not started without an ample supply of liquid refreshments, and both indulged liberally, but not to such an extent as to loosen their tongues.
Jet listened eagerly, but not a word of particular interest or importance to him could he hear.
Owing to several delays, it was nightfall before the train reached Plattsburgh, and now came the hardest part of the amateur detective's task.
It was necessary to keep the men in sight, and yet at the same time avoid being seen by them.
He was convinced that it would be necessary for him to stand watch all night; but fortune favored him in a signal manner.
Observing Bob going toward the ticket-office, he slipped through the crowd, and heard the following conversation:
"When does the next train leave for Saranac Lake?"
"Seven to-morrow morning."