PROLOGUE.
THE curious case which I am about to place before you, is referred to, very pointedly, and more than once, in the extraordinary Essay upon the drugs of the Dark and the Middle Ages, from the pen of Doctor Hesselius.
This Essay he entitles "Mortis Imago," and he, therein, discusses the Vinum letiferum, the Beatifica, the Somnus Angelorum, the Hypnus Sagarum, the Aqua Thessalliæ, and about twenty other infusions and distilla-
