III. On the 23d of _May_ 1761, _Lionel Thompson_, of the First Regiment of Foot Guards, was seized with all the Symptoms of a Peripneumony, attended with a high Fever, for which he was ordered to be blooded. After losing eight Ounces of Blood, he fell into a fainting Fit; on recovering out of which, his Breathing being still much affected, he had a Mixture made of four Ounces of the _Lac Ammoniacum_, and one of the _spiritus mindereri_, of which he was desired to take two Spoonfuls every four Hours. The 24th, the Symptoms the same: He complained of having had no Stool for some Days, and took half an Ounce of the _sal catharticum amarum_, which gave him two loose Stools. On the 25th, his Pulse was small and quick, his Breathing difficult; he was low, and had a slight Delirium: A large Blister was applied between his Shoulders, and the Medicines continued. On the 26th, in the Morning, the Petechiæ appeared, and his Breathing was freer: He was ordered a Drachm of the Bark, in a saline Draught, every four Hours. The 27th, the Pulse better: p. The 28th, was more sensible, and had a kindly warm Moisture all over the Skin. The 29th, the Fever was much abated, and his Tongue, which was before parched and dry, became moist and white: He continued the Use of the Cortex for three Days more, which removed the Fever; and being costive, he took a Dose of the Tincture of Rhubarb. After this he used the Bark for a few Days longer, and got perfectly well. After giving the Bark[12] with Success, in the two first of the Cases mentioned, and to two young Gentlemen, Mates of the Hospital, who had caught the Fever from their Attendance on the Sick, I gave it to above a hundred and fifty at _Paderborn_, and elsewhere, during my Attendance in the Military Hospitals in _Germany_; and although it did not answer in every Case, yet it was found to have a better Effect than any other Remedy that was tried. We joined different Medicines with it, according to the State of the Patient. We gave the _Confectio cardiaca_, _Rad. serpent. Virg._ and other cordial Medicines, and Wine, when the Pulse was low; _Oxymel scilliticum_, and other Pectorals, when the Breathing was difficult; Opiates, where the Patient was inclined to be too loose; the _spiritus mindereri_, and other Diaphoretics, when we wanted to promote a free Perspiration; and we applied Blisters as Occasion required.