On the following day complete but unadherent eschars were formed over each sore. There, had been no pain after the smart of the caustic had ceased. On carefully making an incision into the centre of each eschar, a little fluid was evacuated. On the second day, rather more fluid was evacuated in the same manner. There was a little more inflammation round the eschar than yesterday. On the third day the sores were exactly in the same state. On the fourth, the patient having used his leg a little, rather more fluid was evacuated from the centre, and there was rather more inflammation round the edges, of the eschars. I enjoined the strictest rest. On the fifth day, there were less inflammation and discharge. From this day until the tenth the fluid required daily evacuation; the eschar became adherent, and I allowed my patient to walk about. In about six weeks the eschar was nearly separated and I removed it by the scissors, leaving only a portion adherent of the size of a pea. It had been prevented from being removed from the beginning, by the gold-beater's skin. The smaller eschar had dropped off leaving the ulcer quite healed. In a week more the last portion of eschar separated from the larger sore, leaving it also quite well. CASE XXVI. The following case occurred in the person of a lady with varicose veins and far advanced in pregnancy. Its speedy cure by the caustic was, therefore, the more remarkable, and saved her much trouble and suffering. Mrs. C. aged 40, had two small irritable and inflamed ulcers, under the inner ankle. I applied the lunar caustic to form an eschar. It was requisite to evacuate a little fluid from under the eschars for three successive days; they then remained adherent. About the usual time the eschars separated, leaving a small point of the size of a pin's head, unhealed; this I again touched with the caustic. The case required no further attention. This case leads me to caution my readers always to examine the parts carefully after the separation of the eschars, and if there be the slightest ulcer remaining to apply the caustic to it. CASE XXVII. Mrs. Wakefield, aged 36, had an extensive ulceration with excoriation on the upper part of the right breast, of two months continuance; it had been greatly aggravated by improper treatment. I applied the lunar caustic over the whole ulcerated and excoriated surface. It gave much pain. On the following day I was concerned to find that part of the eschar had been separated by the patient's dress. I repeated the application of the caustic and again directed the part to be exposed and carefully protected from being disturbed. The breast required to be supported being full of milk. On the succeeding day an adherent eschar existed over all the ulcerated parts, and the pain, redness, and irritation had nearly subsided. On the fourth day there was still less pain and inflammation. On the eight the eschars had separated and the breast was quite well. CASE XXVIII.