“Then you consider that we may dismiss the tonic as not being in any way instrumental in causing her death?”

“Certainly. The supposition is ridiculous.”

The same juryman who had interrupted before here suggested that the chemist who made up the medicine might have committed an error.

“That, of course, is always possible,” replied the doctor.

But Dorcas, who was the next witness called, dispelled even that possibility. The medicine had not been newly made up. On the contrary, Mrs. Inglethorp had taken the last dose on the day of her death.