"But, sir," she persisted, "it is impossible. I am expected early in the morning at Scott's Corners, and was just going to bed when you came in, in order to get a little sleep before taking the train."

"Dr. Perry's case?"

"Yes."

He frowned, and I am not sure but what he uttered a mild oath. At all events, he seemed very much put out.

I immediately drew near.

"Oh, sir," I cried, "if you would have confidence in me. I am not unused to the work, and——"

His stare frightened me, it was so searching and so keen.

"Who are you?" he asked.

I told him, and Mrs. Gannon put in a word for me. I was reliable, she said, and if too much experience was not wanted, would do better than such and such a one—naming certain persons, probably neighbors.

But the doctor's steady look told me he relied more on his own judgment than on anything she or I could say.