THE ARREST
ings." And she walked quietly past me out of the window, with a cool little nod of dismissal.
No, surely she could not care for Bauerstein. No woman could act her part with that icy unconcern.
Poirot did not make his appearance the following morning, and there was no sign of the Scotland Yard men.
But, at lunch-time, there arrived a new piece of evidence—or rather lack of evidence. We had vainly tried to trace the fourth letter, which Mrs. Inglethorp had written on the evening preceding her death. Our efforts having been in vain, we had abandoned the matter, hoping that it might turn up of itself one day. And this is just what did happen, in the shape of a communication, which arrived by the second post from a firm of French music publishers, acknowledging Mrs. Inglethorp's cheque, and regretting they had been unable to trace a certain series of Russian folk-songs. So the last hope of solving the mystery, by means of Mrs. Inglethorp's correspondence on the fatal evening, had to be abandoned.
Just before tea, I strolled down to tell Poirot of the new disappointment, but found, to my annoyance, that he was once more out.
"Gone to London again?"
"Oh, no, monsieur, he has but taken the train
223
