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IN the year 1779 I had an opportunity of observing, in his Majesty's General Hospital at New York, the good Effects of OPIUM, in a variety of cases, originally Venereal, in which Mercurial preparations appeared to be of no efficacy.
It happened that a great number of sol∣diers fell under my care at the same time, who laboured under evident symptoms of Morbid Irritability, which might be owing to different causes; but all these Patients were undergoing, or had undergone, a course of mercury.
These symptoms, in all their variety of appearances and changes, at first arising from the venereal virus, and terminating