She spoke a few words of touching gratitude, then she rose, and with a gesture of exquisite grace she extracted a hundred-franc note from her reticule and placed it upon my desk.

"Mademoiselle," I protested with splendid dignity, "I have done nothing as yet."

"Ah! but you will, Monsieur," she entreated in accents that completed my subjugation to her charms. "Besides, you do not know me! How could I expect you to work for me and not to know if, in the end, I should repay you for all your trouble? I pray you to take this small sum without demur. Mr. Farewell keeps me well supplied with pocket money. There will be another hundred for you when you place the papers in my hands."

I bowed to her, and, having once more assured her of my unswerving loyalty to her interests, I accompanied her to the door, and anon saw her graceful figure slowly descend the stairs and then disappear along the corridor.

Then I went back to my room, and was only just in time to catch Theodore calmly pocketing the hundred-franc note which my fair client had left on the table. I secured the note and I didn't give him a black eye, for it was no use putting him in a bad temper when there was so much to do.

2.

That very same evening I interviewed the concierge at No. 65 Rue des Pyramides. From him I learned that Mr. Farewell lived on a very small income on the top floor of the house, that