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4<> Tk Caufes and Cure I T is hoped, that no one who hath been accuflomed to Reafonings of this Nature, will find any Difficulty in conceiving fuch a Difference of Principles, lb finely blended together, as here fuggeft ed, of a faline, and an oleous, or humid Subftance : And who- foever reads Bellini^ or any others who have wrote in the fame Manner, will find conti- nual Regard had to thofe two Principles, even in the animal Sp : rits for without it there can be no Notion had of what is fo frequently mentioned, and which by their Eife&s we find muft be true, of them, that they are too dry, hot, ;£tive, fiery, and the like; or too humid, vapid, iluggifh, vifcid, £rc. And it is farther equally ma- nifest, that in Proportion to the greater or leffer Degrees of Motion in thofe Fluids, from whence this fubtile Compofition is generated, and the Concuilions of thofe, fine Threads into which it is Separated, will it err in one or other of the foregoing Extremes. IN a Fever therefore, where the animal Fluids are in the higheft Degree of Agita- tion, and from Caufes too of a coagulating Nature, it ought to be no Wonder that even