much of a coincidence that he is able to give so accurate a description of Lowen."
Japp nodded. "I don't say you're not right. But all the same, you won't get a jury to take much note of a jailbird's evidence. What seems odd to me is that Lowen couldn't find a cleverer way of disposing of the ring."
Poirot shrugged his shoulders. "Well, after all, if it were found in the neighbourhood, it might be argued that Davenheim himself had dropped it."
"But why remove it from the body at all?" I cried.
"There might be a reason for that," said Japp. "Do you know that just beyond the lake, a little gate leads out on to the hill, and not three minutes' walk brings you to—what do you think?—a lime kiln."
"Good heavens!" I cried. "You mean that the lime which destroyed the body would be powerless to affect the metal of the ring?"
"Exactly."
"It seems to me," I said, "that that explains everything. What a horrible crime!"
By common consent we both turned and looked at Poirot. He seemed lost in reflection,
