Blood to the naked Eye appears all red; but by a good Microſcope, vvherein its leſſer parts appear, ſhevvs only ſome fevv Globules of Red, ſvvimming in a pellucid Liquor; and hovv theſe Globules vvould appear, if Glaſſes could be found, that yet could magnifie them 1000, or 10000 times more, is uncertain.