The doctor gazed at Poirot in astonishment.

“You’re talking through your hat, Monsieur Poirot. Surely you’ve not been guyed into believing all that fool talk?”

“Absolute nonsense,” muttered Willard angrily.

Poirot remained placidly immovable, blinking a little out of his green cat’s eyes.

“So you do not believe it, monsieur le docteur ?”

“No, sir, I do not,” declared the doctor emphatically. “I am a scientific man, and I believe only what science teaches.”