As she spoke, she looked me full in the face for a few moments, and I noted that her eyes had a perfectly normal appearance, without any trace whatever of a squint.

“Very well,” I said. “On that understanding I will go now; and I shall hope to find our friend quite recovered at my next visit.”

I turned to the patient, who was already dozing, and shook his hand heartily.

“Goodbye, Mr. Graves!” I said. “I am sorry to have to disturb your repose so much; but you must keep awake, you know. Won’t do to go to sleep.”

“Ver’ well,” he replied drowsily. “Sorry t’ give you all this trouble. L’ keep awake. But I think you’re mistak’n⁠—”

“He says it’s very important that you shouldn’t go to sleep, and that I am to see that you don’t. Do you understand?”