“I should consider it very unlikely. Strychnine is not used for domestic purposes, as some poisons are, and there are restrictions placed on its sale.”

“Does anything in your examination lead you to determine how the poison was administered?”

“No.”

“You arrived at Styles before Dr. Wilkins, I believe?”

“That is so. The motor met me just outside the lodge gates, and I hurried there as fast as I could.”

“Will you relate to us exactly what happened next?”

“I entered Mrs. Inglethorp’s room. She was at that moment in a typical tetanic convulsion. She turned towards me, and gasped out: ‘Alfred⁠—Alfred⁠—’ ”