N.' Do not these letters suggest Mademoiselle Stangerson ?" continued the reporter.

"The 'key with a brass head'-- is not this the key?
I always read advertisements.

In my business, as in yours, Monsieur, one should always read the personals.' They are often the keys to intrigues, that are not always brass-headed, but which are none the less interesting.

This advertisement interested me specially; the woman of the key surrounded it with a kind of mystery.

Evidently she valued the key, since she promised a big reward for its restoration! And I thought on these six letters: M.A.T.