Pelicanum positum in arenae digestione non adeo calida per aliquod tempus manere finito; Postmodum eximito vini Magisterium, de quo locuti sumus._ But I dare not _Eleu._ lay much Weight upon this Process, because I have found that if it were True, it would be but seldom Practicable in this Country upon the best Wine: for Though this present Winter hath been Extraordinary Cold, yet in very Keen Frosts accompanied with lasting Snowes, I have not been able in any Measure to Freeze a thin Vial full of Sack; and even with Snow and Salt I could Freeze little more then the Surface of it; and I suppose _Eleu._ that tis not every Degree of Cold that is Capable of Congealing Liquors, which is able to make such an _Analysis_ (if I may so call it) of them by Separating their Aqueous and Spirituous Parts; for I have sometimes, though not often, frozen severally, Red-wine, Urine and Milk, but could not Observe the expected Separation. And the Dutch-Men that were forc'd to Winter in that Icie Region neer the Artick Circle, call'd _Nova Zembla_, although they relate, as we shall see below, that there was a Separation of Parts made in their frozen Beer about the middle of _November_, yet of the Freezing of their Back [Errata: Sack] in _December_ following they give but this Account: _Yea and our Sack, which is so hot, was Frozen very hard, so that when we were every Man to have his part, we were forc'd to melt it in the Fire; which we shar'd every second Day, about half a Pinte for a Man, wherewith we were forc'd to sustain our selves._ In which words they imply not, that their Back [Errata: Sack] was divided by the Frost into differing Substances, after such manner as their Beer had been. All which notwithstanding, _Eleu._ suppose that it may be made to appear, that even Cold sometimes may _Congregare Homogenea, & Heterogenea Segregare_: and to Manifest this I may tell you, that I did once, purposely cause to be Decocted in fair Water a Plant abounding with Sulphureous and Spirituous Parts, and having expos'd the Decoction to a keen North-Wind in a very Frosty Night, I observ'd, that the more Aqueous Parts of it were turn'd by the next Morning into Ice, towards the innermost part of which, the more Agile and Spirituous parts, as I then conjectur'd, having Retreated, to shun as much as might be their Environing Enemy, they had there preserv'd themselves unfrozen in the Form of a high colour'd Liquor, the Aqueous and Spirituous parts having been so sleightly (Blended rather than) United in the Decoction, that they were easily Separable by such a Degree of Cold as would not have been able to have Divorc'd the Parts of Urine or Wine, which by Fermentation or Digestion are wont, as Tryal has inform'd me, to be more intimately associated each with other. But I have already intimated, _Eleutherius_, that I shall not Insist on this Experiment, not only because, having made it but once I may possibly have been