“No further attention was paid to them.”

“Would any of the clerks in the corridor know the big fellow again?”

“I don’t think so. I don’t think they paid enough attention to know whether his eyes were blue or black or brown.”

“Then they didn’t notice the other fellow very particularly, did they?”

“No, in fact, except for his dazed and dejected manner and his odd dress they probably wouldn’t have noticed the young man particularly. But why are you asking these questions,” Mr. Havens answered with a laugh. “Are you boys going to solve, off-hand, a mystery over which Washington detectives have been puzzling for many weeks?”

“No,” Ben answered, “but I know when Colleton left his room.”

CHAPTER V.
A MIDNIGHT FLIGHT.

“Then you know more about the case than the detectives at Washington!” smiled Mr. Havens. “When do you think he left his room?”

“I don’t think, I know!”

“Well, get it out of your system!” exclaimed Jimmie.