and the necessary phosphorescence he made the proper impression. I shouldn't touch her right hand if I were you, Hastings. Red paint marks so. When the lights went out I clasped her hand, you see. By the way, we mustn't miss our train. Inspector Japp is outside the window. A bad night—but he has been able to while away the time by tapping on the window every now and then."
"You see," continued Poirot, as we walked briskly through the wind and rain, "there was a little discrepancy. The doctor seemed to think the deceased was a Christian Scientist, and who could have given him that impression but Mrs. Maltravers? But to us she represented him as being in a grave state of apprehension about his own health. Again, why was she so taken aback by the reappearance of young Black? And lastly, although I know that convention decrees that a woman must make a decent pretence of mourning for her husband, I do not care for such heavily-rouged eyelids! You did not observe them, Hastings? No? As I always tell you, you see nothing!"
"Well, there it was. There were the two possibilities. Did Black's story suggest an in-
