42. _Gangrenous Sore Mouth of Children._--Dr. COATES begs permission to add the following quotation from FABRICIUS HILDANUS to the authorities quoted in his paper on gangrenous ulcer of the mouth, at the commencement of the present number. "Gingivarum inflammatio maxime in infantibus in gangraenam interdum degenerat. Morbus enim magnus, vehemens et peracutus; magna quoque requirit remedia: sed quis illa in ore adhibere ausus?"--_De Gangraena et Sphacelo, Cap. IV. p. 773. col. 2. Edit. Beyeri. Francofurt ad Maen._ 1646. "Gangraena in partibus humidis, gingivis, palato, naribus, &c. raro sanabilis; in sphacelum autem degenerans, insanabilis."--_Cap. XI. p._ 781. _col._ 2. This is all I find in that author, relative to the subject. 43. _Operation for Phymosis._--M. J. CLOQUET, has so improved this operation that no deformity results. He recommends the incision to be made at the _inferior_ surface, near, and parallel to, the fraenum praeputii. The longitudinal wound thus made, becomes transverse, as soon as the prepuce is drawn behind the glans penis, and cicatrizes in a line scarcely visible; so that the prepuce acquires in breadth what it loses in length. M. CLOQUET has, in this way, perfectly cured many patients; the prepuce appearing to possess its natural conformation.--_La Propagateur des Sci. Med. for March._ 44. _Lunar Caustic on Wounds and Ulcers._--The practice of healing wounds and ulcers by natural or artificial scabs, to which the attention of the profession was first directed by Mr. J. HUNTER, has been too much neglected, and the circumstances under which it is useful, have not been accurately stated. In a small work published by Mr. HIGGINBOTTOM, in January last, at London, the practice of forming an _eschar_ by the lunar caustic over small ulcers and recent wounds, has been strongly recommended as saving the patient much pain, trouble, and danger. The whole surface is to be pencilled with the solid caustic so as to form an eschar, and where this remains _adherent_, the wound or ulcer invariably heals with comparatively little inconvenience. When effusion occurs under the eschar, whether of serum or of pus, there is more difficulty; but if this fluid be evacuated by a puncture, and the caustic applied to the orifice, the eschar will often remain adherent. Sometimes the fluid must be frequently evacuated. If the eschar does not separate favourably, a cold poultice may be applied, which not only removes the eschar, but lessens the irritation and inflammation. Should the sore not be healed, Mr. H. recommends the reapplication of the caustic. To prevent effusion under the eschar, and to preserve it adhering, he advises the whole to be covered with a piece of gold-beater's skin; but we may add, that as this effusion arises from too much inflammation, more powerful means may occasionally be employed, especially a solution of acetate of lead. LARREY recommends with the same view, after the application of moxa, the use of the aq.