"Exactly; if it ends happily," his lordship repeated.

"And terms?" I asked.

"Twenty pounds a day."

I was amazed at the sum, and must have showed my surprise upon my features.

"It is a rare combination of qualities, as must have struck you when you first read the advertisement," said Lord Linchmere; "such varied gifts may well command a high return, and I do not conceal from you that your duties might be arduous or even dangerous. Besides, it is possible that one or two days may bring the matter to an end."

"Please God!" sighed his sister.

"So now, Dr. Hamilton, may I rely upon your aid?"

"Most undoubtedly," said I. "You have only to tell me what my duties are."

"Your first duty will be to return to your home. You will pack up whatever you may need for a short visit to the country. We start together from Paddington Station at 3:40 this afternoon."

"Do we go far?"