“They start to-morrow,” said I.

“Cary, I am going to ask you something. Don’t show any surprise. Are you a brave girl?”

“I hardly know,” said I, resisting the temptation to look up and see what he meant. “Why?”

“Because a woman is wanted for a piece of work, and we think you would answer.”

“What piece of work?—and who are ‘we’?” I asked, turning over some views of Rome with very little notion what they were.

“‘We’ are Colonel Keith, Raymond, and myself.”

“And what ‘piece of work’?” I asked again.

“To attempt the rescue of Angus.”

“How?—what am I to do?”

“Did you ever try to personate anybody?”