He writes with a warmth that clearly indicates his own impression that this conversation had been perfectly explicit and that your forgetfulness or neglect of it was unaccountable, and he proposes to go into this and one or two other matters in the course of a conversation with you which should have taken place that afternoon. You then reply that you are too busy to come out so soon, but will call on the following morning. In the meantime Sir Reginald is murdered, and so the conversation never takes place and no explanation passes between you. Those are the facts, aren't they?"
He looked up from the letter book as he spoke and there was no doubt he noticed something now. Indeed, the haggard look on Simon's face and a bead of perspiration on his forehead were so striking, and so singular in the case of such a tough customer, that the least observant—or the most circumspect—must have stared. Carrington's stare lasted only for the fraction of a second, and then he was polishing his eyeglass with his handkerchief in the most indifferent way.
A second or two passed before Simon answered, and then he said abruptly:
"Sir Reginald was mistaken. No such conversation."
"Do you mean to tell me literally that no such conversation took place? Was it a mere delusion?"
"Er—practically. Yes, a delusion."
"Suicide!" declared Carrington with an air of
