his lens, examined it with minute attention. "Yes," he said at length, "this is what I was looking for. Let me have those two cards, Jervis."
I produced the two visiting-cards with the reconstructed lenses stuck to them, and, laying them on the lid of the case, threw the light of the lantern on them. Thorndyke looked at them intently for some time, and from them to the fragment that he held. Then, turning to the inspector, he said: "You saw me pick up this splinter of glass?"
"Yes, sir," replied the officer.
"And you saw where we found these spectacle-glasses and know whose they were?"
"Yes, sir. They are the dead man's spectacles, and you found them where the body had been."
"Very well," said Thorndyke; "now observe;" and, as the two officials craned forward with parted lips, he laid the little splinter in a gap in one of the lenses and then gave it a gentle push forward, when it occupied the gap perfectly, joining edge to edge with the adjacent fragments and rendering that portion of the lens complete.
"My God!" exclaimed the inspector. "How on earth did you know?"
"I must explain that later," said Thorndyke. "Meanwhile we had better have a look inside the house. I expect to find there a cigarette—or possibly a cigar—which has been trodden on, some
