In two days the eschar was separated leaving the ulcer with its fungous appearance. I removed the fungous part by scissors, and directed the poultice to be applied and to be continued for two days. I then formed another eschar. This required a daily puncture for the evacuation of subjacent fluid, for six days; it then remained adherent, and in about a fortnight it separated leaving the ulcerated surface healed. This patient was not at all confined. CASE XXXI. Mr. S. aged 30, had a sore two inches in length in the groin, the remains of a phagedenic ulcer. It had remained stationary a whole fortnight under the ordinary treatment by bandage. I applied the lunar caustic to form an eschar and then the gold-beater's skin. The day afterwards, I found the eschar incomplete and I applied the caustic again. The eschar was still incomplete on the following day, and the caustic was again required to be applied to the denuded parts. On examination two days afterwards I found the eschar complete and adherent. On the fourth following day, great part of the eschar had separated leaving the ulcer healed, and I had no occasion to see the patient again. IV. OF SOME ANOMALOUS CASES. 1. _Of Whitlow._ The lunar caustic is very useful in the treatment of this painful affection. Patients seldom apply to the surgeon before suppuration has taken place. It is then, I think, the best plan to open the abscess freely, to apply the caustic well within the cavity, and then to envelope the part by the cold poultice and lotion. In this manner the pain and irritation are almost immediately removed, after the smart of the caustic has subsided. A second application is seldom necessary. In some cases, however, there is an increase of inflammation in a day or two, which requires the caustic to be again applied. When the inflammation has subsided, the loose cuticle may be removed, and the caustic must be applied to form an eschar. In slight cases the lunar caustic may be passed over the inflamed part, and in this manner suppuration and the continuance of inflammation is often prevented. In those cases in which the suppuration is artificial and attended with severe diffused inflammation, the pus should be evacuated and a cold poultice applied for a day or two; for the too early application of the caustic would only add to this kind of inflammation; see p. 11; afterwards the skin may be removed, and if there be excoriations the caustic may be lightly applied. 2. _Of Inflammation of the Finger._ The following case of inflammation of the finger occurred without any assignable cause. CASE XXXI. A young man, aged 18, came to me with a painful swelling of the middle finger of the right hand; suspecting deep-seated abscess, I made a free incision and evacuated a little pus. I then applied the lunar caustic within the cavity and directed a cold poultice to be applied with lotion. On the fourth day my patient had returned to his occupation as a dyer. CASE XXXII.