Ointment of ammoniated mercury, twenty to sixty grains to the ounce; oleate of mercury, five to ten per cent. strength; mercurial plaster, full strength or weakened with lard or petrolatum; a two to twenty per cent. ointment of iodol; resorcin, twenty to sixty grains to the ounce of ointment base; and lotions of corrosive sublimate, one-half to three grains to the ounce. The following is valuable in offensive and obstinate ulcerations:-- [Rx] Hydrarg. chlorid. corros., ........... gr. iv-gr. viij Ac. carbolici, ....................... gr. x-xx Alcoholis, ........................... f[dram]iv Glycerinae, ........................... f[dram]j Aquae, ............ q.s. ad ........... [Oz]iv. M. Ointments are to be rubbed in or applied as a plaster; lotions, employed chiefly in ulcers and ulcerations, are to be thoroughly dabbed on, and usually supplemented by the application of an ointment. Iodol may also be applied to ulcers as a dusting-powder, usually mixed with one to several parts of zinc oxide or boric acid. #Give the treatment of hereditary infantile syphilis.# It is essentially the same (but much smaller dosage) as employed in acquired syphilis. Attention to proper feeding and hygiene is of first importance. Mercury may be given by the mouth, as mercury with chalk (gr. ss-gr. ij, t.d.); as calomel (gr. 1/20-gr. 1/6, t.d.); and as a solution of corrosive sublimate (gr. ss-[Oz]vj, [dram]j, t.d.). If mercury is not well borne by the stomach, it may be administered by inunction; for this purpose, blue ointment is mixed with one or two parts of lard and spread (about a drachm) upon an abdominal bandage and applied, being renewed daily. Treatment by means of baths (gr. x-xxx to the bath) of corrosive sublimate is, at times, a serviceable method. Potassium iodide, if exceptionally deemed preferable, may be given in the dose of a fractional part of a grain to two or three grains three times daily. #What local measures are to be advised in cutaneous syphilis of the newborn?# If demanded, applications similar to those employed in eruptions of acquired syphilis, but not more than one-third to one-half the strength. #Lepra.# (_Synonyms:_ Leprosy; Elephantiasis Graecorum.) #What do you understand by leprosy?# Lepra, or leprosy, is an endemic, chronic, malignant constitutional disease, characterized by alterations in the cutaneous, nerve, and bone structures; varying in its morbid manifestations according to whether the skin, nerves or other tissues are predominantly involved. #What is the nature of the premonitory symptoms of leprosy?#