“Murdered?”

“I don’t say that. Perhaps.”

“And on what day did he meet his death?”

“On Monday.”

“Then perhaps, Mr. Holmes, you will be good enough to explain how it is that I have received a letter from him to-day.”

Sherlock Holmes sprang out of his chair as if he had been galvanized.

“What!” he roared.

“Yes, to-day.” She stood smiling, holding up a little slip of paper in the air.

“May I see it?”

“Certainly.”