very famous jewels in the Yardly collection, a large diamond amongst them?"
"That's so," said Miss Marvell briefly.
I heard Poirot murmur beneath his breath: "Ah, c'est comme ça!" Then he said aloud, with his usual uncanny luck in hitting the bull's-eye (he dignifies it by the name of psychology): "Then you are without doubt already acquainted with Lady Yardly, or perhaps your husband is?"
"Gregory knew her when she was out West three years ago," said Miss Marvell. She hesitated a moment, and then added abruptly: "Do either of you ever see Society Gossip?"
We both pleaded guilty rather shamefacedly.
"I ask because in this week's number there is an article on famous jewels, and it's really very curious———" She broke off.
I rose, went to the table at the other side of the room and returned with the paper in question in my hand. She took it from me, found the article, and began to read aloud:
". . . Amongst other famous stones may be included the Star of the East, a diamond in the possession of the Yardly family. An ancestor of the present Lord Yardly brought it back with him from China, and a romantic story is said to
