which he will drink Triacle he shall fast until midday, and not let wind blow on him that day; then let him go to the bath, let him sit there till he sweat; then let him take a cup, put a little warm water in it, then let him take a little bit of the triacle, and mingle with the water, and drain through some thin raiment, then drink it, and let him then go to his bed and wrap himself up warm, and so lie till he sweat well; then let him arise and sit up and clothe himself, and then take his meat at noon (three hours after midday), and protect himself earnestly against the wind that day; then I believe to God it will help the man much."
Early English Medical Practice.
In the thirteenth century Roger Bacon, the great man of science, wrote on medicine, alchemy, magic, and astrology, as well as most other sciences. He believed that a universal remedy was attainable, and urged Pope Clement IV to give his powerful aid to its discovery, Nothing particular remains of his medical studies.
Gilbert Anglicanus, who was a contemporary of Bacon, and wrote a Compendium of Medicine, a tedious collection of the most fantastic theories of disease, was more advanced in pharmacy than in the treatment of disease. He describes at considerable length the manner of extinguishing mercury to make an ointment, recommending particularly the addition of some mustard seed to facilitate the process. He gives particulars of the preparation of the oil of tartar per deliquium, and proposes a solution of acetate of ammonia in anticipation of Mindererus four hundred years later. Gilbert's formula is thus expressed:—
"Conteratur sal armoniacum minutim, et superin-
