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 and a Contagion. 5 2 interline Collu&ation and Struggle of oppo- Jite Principles in the animal Fluids } this is confirmed by the Obfervation of Sancto- rius 7 who tells us, that Perfons taken with a peftilential -Contagion, immediately be- come much lighter, the Effluvia of ; their Bodies breaking through on all Sides with Rapidity ^ for fuch is the Energy of the peftilential Taint, that it immediately fiib- tilizes more thick Subftances, and gives them fuch a Sharpnefs, as to cut their Way like fo many Needles, or Wedges, and very often carry along with them thofe natural Spirits which mould be a Prefervative to the whole Frame : Hence fometimes follow Swoonings arid Faintings that are fatal, and which are certain Indicati- ons of that Waft of Spirits that hath been made by the pestilential Poiion. HENCE moreover it appears, of what a diffufed Nature this Contagion may be of, by the great Plenty that tranfpires from an infecfed Perfon*, and which Steam a- lone, as it is iuificient to communicate the Infection, fo it is alfo capable of vaft Di- latation and DirTufion ^ not much unlike the Snuff of a Candle, which not only emits a great deal of Smoak, but carries E 3 a