“You have a little idea, I see, mon ami! Capital. We progress.”

I sat up, and lit a pipe.

“Poirot,” I said, “it seems to me we have been strangely remiss. I say we—although I dare say I would be nearer the mark. But you must pay the penalty of your determined secrecy. So I say again we have been strangely remiss. There is some one we have forgotten.”

“And who is that?” inquired Poirot, with twinkling eyes.

“Georges Conneau!”