POIROT INVESTIGATES
of coffee. Four, a fragment of some dark green fabric—only a thread or two, but recognizable."
"Ah!" I cried. "That was what you sealed up in the envelope."
"Yes. It may turn out to be a piece of one of Mrs. Inglethorp's own dresses, and quite unimportant. We shall see. Five, this!" With a dramatic gesture, he pointed to a large splash of candle grease on the floor by the writing-table. "It must have been done since yesterday, otherwise a good housemaid would have at once removed it with blotting-paper and a hot iron. One of my best hats once—but that is not to the point."
"It was very likely done last night. We were very agitated. Or perhaps Mrs. Inglethorp herself dropped her candle."
"You brought only one candle into the room?"
"Yes. Lawrence Cavendish was carrying it. But he was very upset. He seemed to see something over here"—I indicated the mantelpiece—"that absolutely paralysed him."
"That is interesting," said Poirot quickly. "Yes, it is suggestive"—his eye sweeping the whole length of the wall—"but it was not his candle that made this great patch, for you perceive that this is white grease; whereas Monsieur Lawrence's candle, which is still on the dressing-table, is pink. On the other hand, Mrs. Ingle-
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