34 Of the Caufe of a Tefiilence] to my Hcufe, to know whether by Mi- jftake there had not been fome Poifon given him j whereas he had taken nothing but mild and common Alextyharmich j this green Hue therefore was a Demonftration of the poifonous Vitriol ick Nature of the pefiilential Taint. I T is faid to be very iubtle both on Account of its Original and Production, be- fore it hath efcaped from its native Seat; and that wonderful Comminution which it cannot but undergo in its Progrefs through fb many Climates, whereby it is, as it were, fublimed to the higheft Degree of Vola- tility, beyond that of any Meteor, which is the Production of grofs, corporeal, and he- terogeneous Particles •, nay, it is more aftive than Lightning, and in the Twinkling of an Eye carries to a Diftance Putrefaction, Mor- tification, and Death. A S for the Manner whereby it kills, its approaches are generally fo lecret, that Per- fons feized with it feem to be fallen into an Ambulcade, or a Snare, of which there was no Manner of Sufpicion } they are therefore not to be credited or regarded, who affirm the Progrefs of a Peftilence to be fenfible, even
