"I must find you a competent nurse to-morrow," he said. "No, not one of the hospital women—we want someone with finer feelings and tenderer hands than theirs. In the meantime, one of you must sit up with Mr. Keller to-night. If I am not wanted before, I will be with you to-morrow morning."

I volunteered to keep watch; promising to call Mr. Engelman if any alarming symptoms showed themselves. The old housekeeper, waking after her first sleep, characteristically insisted on sending me to bed, and taking my place. I was too anxious and uneasy (if I may say it of myself) to be as compliant as usual. Mother Barbara, for once, found that she had a resolute person to deal with. At a less distressing time, there would have been something irresistibly comical in her rage and astonishment, when I settled the dispute by locking her out of the room.

Soon afterwards Joseph came in with a message. If there was no immediate necessity for his presence in the bedchamber, Mr. Engelman would go out to get a breath of fresh air, before he retired for the night. There was no necessity for his presence; and I sent a message downstairs to that effect.

An hour later Mr. Engelman came in to see his old friend, and to say good-night. After an interval of restlessness, the sufferer had become composed, and was dozing again under the influence of his medicine. Making all allowances for the sorrow and anxiety which Mr. Engelman must necessarily feel under the circumstances, I thought his manner strangely absent and confused. He looked like a man with some burden on his mind which he was afraid to reveal and unable to throw off.

"Somebody must be found, David, who does understand the case," he said, looking at the helpless figure on the bed.

"Who can we find?" I asked.

He bade me good-night without answering. It is no exaggeration to say that I passed my night at the bedside in a miserable state of indecision and suspense. The doctor's experiment had failed to prove absolutely that the doctor's doubts were without foundation. In this state of things, was it my bounden duty to tell the medical men what I had seen, when I went back to the house to look for Mr. Keller's opera-glass? The more I thought of it, the more I recoiled from the idea of throwing a frightful suspicion on Minna's mother which would overshadow an innocent woman for the rest of her life. What proof had I that she had lied to me about the sketch and the mantlepiece? And, without proof, how could I, how dare I, open my lips? I succeeded in deciding firmly enough for the alternative of silence, during the intervals when my attendance on the sick man was not required. But, when he wanted his medicine, when his pillows needed a little arrangement, when I saw his poor eyes open, and look at me vacantly—then my resolution failed me; my indecision returned; the horrid necessity of speaking showed itself again, and shook me to the soul. Never in the trials of later life have I passed such a night as that night at Mr. Keller's bedside.

When the light of the new day shone in at the window, it was but too plainly visible that the symptoms had altered for the worse.

The apathy was more profound, the wan pinched look of the face had increased, the intervals between the attacks of nervous trembling had grown shorter and shorter. Come what might of it, when Dr. Dormann paid his promised visit, I felt I was now bound to inform him that another person besides the servants and ourselves had obtained access secretly to Mr. Keller's room.

I was so completely worn out by agitation and want of sleep—and I showed it, I suppose, so plainly—that good Mr. Engelman insisted on my leaving him in charge, and retiring to rest. I lay down on my bed, with the door of my room ajar, resolved to listen for the doctor's footsteps on the stairs, and to speak to him privately after he had seen the patient.