CHAPTER XVI.
Mr.Keller and Mr.Engelman were both waiting to receive me.

They looked over my written report of my inquiries at Hanau, and expressed the warmest approval of it.

So far, all was well.
But, when we afterwards sat down to our supper, I noticed a change in the two partners, which it was impossible to see without regret.

On the surface they were as friendly towards each other as ever.

But a certain constraint of look and manner, a palpable effort, on either side, to speak with the old unsought ease and gaiety, showed that the disastrous discovery of Madame Fontaine in the hall had left its evil results behind it.