“Long enough.”
“Long enough for what?”
Poirot’s smile became rather enigmatical.
“Long enough for a gentleman who had once studied medicine to gratify a very natural interest and curiosity.”
Our eyes met. Poirot’s were pleasantly vague. He got up and hummed a little tune. I watched him suspiciously.
“Poirot,” I said, “what was in this particular little bottle?”
Poirot looked out of the window.
“Hydrochloride of strychnine,” he said, over his shoulder, continuing to hum.
“Good heavens!”
“Ah!” murmured Poirot to himself. “But it is an idea, that!”
“You think it is true?” I whispered.
“I do not say that. But it is truly an ingenious supposition.”
“You read my wife’s last words as an accusation”—Inglethorp was continuing—“they were, on the contrary, an appeal to me.”
The Coroner reflected a moment, then he said: