If more letters came of the same kind, and with the same initials, I would attach as little weight to them as to this.
Several days passed quietly.

There was nothing to lead me to expect that I should soon quit Washington; though in my line of duty one is never certain of the morrow.

At any moment I might be sent speeding from Oregon to Florida, from Maine to Texas.

And this unpleasant thought haunted me frequently if my next mission were no more successful than that to the Great Eyrie, I might as well give up and hand in my resignation from the force.

Of the mysterious chauffeur or chauffeurs, nothing more was heard.