“This letter,” I said to Henriette, “troubles me.”

She took it, and after she had read it—she gave it back to me, saying,

“I think M. d’Antoine is a man of honour, and I hope that we may have nothing to fear.”

The letter ran as, follows:

“Either at your hotel or at my residence, or at any other place you may wish to appoint, I entreat you, sir, to give me an opportunity of conversing with you on a subject which must be of the greatest importance to you.

“I have the honour to be, etc.

“D’ANTOINE.”

It was addressed M. Farusi.

“I think I must see him,” I said, “but where?”

“Neither here nor at his residence, but in the ducal gardens. Your answer must name only the place and the hour of the meeting.”