are not Wet; as, Melted Metal, Flame, Light, and the like, are fluid, but not wet: and Smoak and Oyl are of another sort of Liquidness, than Water, or Juyce; but yet they are not wet: and that which causes the difference of different sorts of Waters, and Watry Liquors, are the differences of the watry Circular Lines; as, some are edged, some are pointed, some are twisted, some are braided, some are flat, some are round, some ruff, some smooth; and so after divers several Forms or Figures: and yet are perfect Circles, and of some such a Degree of Extenuations or Dilatations. CHAP. XV. Of the Alteration of the Exterior Figurative Motion of Water. As I formerly said, The Figurative Motions of the Innate Nature of Water, is a sort of Extenuating; as being an equal, smooth Circle: which is the cause Water is rare, fluid, moist, liquid, and wet. But, the Exterior Figurative Motions of the watry Circle, may be edged, pointed, sharp, blunt, flat, round, smooth, ruff, or the like; which may be either divided, or altered, without any alteration of the Innate Nature, or Property: As for example, Salt-water may be made fresh, or the Salt Parts divided from the watry Circle: The like of other sorts of Waters; and yet the Nature of Water remains. CHAP. XVI. Of OYL, and VITRIOL. The Exterior Figurative Motions of _Oyl_, are so much like those of _Water_, as, to be fluid, smooth, soft, moist, and liquid, although not perfectly wet: but, the Interior Figurative Motions of Oyl, are of that sort of Fire, that we name a _Dull, Dead Fire_: and the difference between _Salt Waters_, _Vitriol_ or the like, and _Oyl_, is, That the Exterior Figurative Motions of _Vitriol_ and _Salt Waters_, are of a sort of Fire; whereas it is the Interior Figurative Motions of Oyl, or the like, that are of those sorts of Fire; and that is the reason that the fiery Motions of Oyl cannot be altered, as the fiery Motions of _Vitriol_ may. But this is to be noted, That although the Interior Figurative Motions of Oyl, are of such a sort of fiery Motions; yet, not just like those of _Vitriol_; and are not burning, corroding, or wounding, as _Vitriols, Corrosives_, and the like, are: for, those are somewhat more of the Nature of bright shining Fires, than Oyls. CHAP. XVII. Of Mineral and Sulphureous Waters. In _Sulphureous_ and _Mineral Waters_, the _Sulphureous_ and _Mineral_ Corporeal Motions, are Exterior, and not Interior, like Salt waters: but, there are several sorts of such waters; also, some are occasionally, others naturally so affected: for, some waters running through Sulphureous, or Mineral Mines, gather, like a rowling Stone, some of the loose Parts of Gravel, or Sand; which, as they stick or cleave to the rowling Stone; so they do to the running Waters; as we may perceive by those waters that spring out of Chalk, Clay, or Lime Grounds, which will