“So Mrs. Cavendish stood by the tray—and poured out. Yes. Then she came across to the window where you sat with Mademoiselle Cynthia. Yes. Here are the three cups. And the cup on the mantelpiece, half drunk, that would be Mr. Lawrence Cavendish’s. And the one on the tray?”

“John Cavendish’s. I saw him put it down there.”

“Good. One, two, three, four, five—but where, then, is the cup of Mr. Inglethorp?”

“He does not take coffee.”

“Then all are accounted for. One moment, my friend.”

With infinite

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