CHAPTER XVIII.
THE POST-OFFICE MONEY ORDER.
Robert had been to the post-office a number of times for Mr. Gray, so he made his way there after breakfast without difficulty.
He found the money-order department somewhat crowded, and had to take his place at the end of a line numbering a dozen persons or more.
While he was moving toward the window his attention was attracted to a loudly-dressed individual, who came in and glanced around as if looking for somebody he knew.
The man singled out Robert and came up to him.
"Are you acquainted here, young man?" he asked, in a low tone, so that those standing around might not hear.
"What do you mean?" asked the youth.
He was positive he had never seen the loudly-dressed individual before.
"I mean do they know you at yonder window?"