CHAPTER X
A SWIFT CALL TO DUTY
"SEE that man in the black derby and the brown suit, coming this way, Noll? The one with the iron-gray hair?"
"Of course," replied Noll.
"Salute him, if we get close enough."
"Why?"
"He's an officer."
"Maybe," half-assented Noll, eyeing the man with iron-gray hair.
"There isn't much doubt about it," retorted Hal. "He boarded the train at Kansas City. It's summer, but he's going somewhere up in the hills, for he had an overcoat over one arm when he boarded the train, and that overcoat was an officer's coat. He's in the service, and he isn't any junior officer, either, judging by the color of his hair."
"But——"