“For the sake of these people and for the sake of old times, I venture to ask you to surround the place with such protection as may be consistent with duties which at this distance I can only have a vague conception of.

“Meanwhile, the few of us who have had hints of the adventure you are about to undertake are trembling with fear and hope. We confide in your genius, but we should be happier if we had already heard from you at the end of your journey.

“Faithfully yours,

“Richard Hudspeth.”

The children’s grandfather gazed steadily in the fire without moving. The commander placed the letter in his pocket, and rose from his chair, pushing it away from him impatiently.

“And this is Aaron?” he asked.

“Yes, sir,” replied Aaron.

“Well, Aaron, I want to shake your hand again.”

Aaron took the proffered hand and bowed his head over it, as if giving silent utterance to a prayer. The commander gave his hand to the White-haired Master, passed out upon the veranda, and so to where he had left his orderlies. He leaped into the saddle, turned and waved an adieu, and then the small cavalcade went clattering up the avenue.