“ Mon ami Hastings!” he cried. “It is indeed mon ami Hastings!”

“Poirot!” I exclaimed.

I turned to the pony-trap.

“This is a very pleasant meeting for me, Miss Cynthia. This is my old friend, Monsieur Poirot, whom I have not seen for years.”

“Oh, we know Monsieur Poirot,” said Cynthia gaily. “But I had no idea he was a friend of yours.”