…of the day. For instance, when I was about fourteen years of age and at a public school, I was put under gas during the extraction of a couple of very firmly rooted grinders. Owing to some difficulty the dentist had in extracting them, I ”came to” before the operation was over, and suffered agonies. That night in my sleep I again went through the grim proceedings, detail for detail, from my entry into the surgery and the anxious gaze around for the dreaded instruments, to the final look at the gold-fish in the aquarium, before my jaws were propped open, and my nose and mouth enveloped in the soft and spongy cap, I had so uneasily remarked in the hands of the anaesthetist. Again I smelt the sweet and sickly odour of the gas; again I heard the voices of the doctor and dentist growing fainter and fainter till…