receives, (or the little Picture of the Sun made on it) without otherwise conside∣rably Altering them; whereas in most other Colours, they are wont to be much Chang'd, by being also Refracted, or by being Return'd to the Eye, mixt with Shades or otherwise. And next, that its Super∣ficial parts be so Situated, that they Retain not the Incident Rays of Light by Re∣flecting them Inwards, but Send them al∣most all Back, so that the Outermost Cor∣puscles of a White Body, having their Various Little Surfaces of a Specular Na∣ture, a Man can from no place Behold the Body, but that there will be among those Innumerable Superficieculae, that Look some one way, and some another, enough of them Obverted to his Eye, to afford like a broken Looking-glass, a confused Idaea, or Representation of Light, and make such an Impression on the Organ, as that for which Men are wont to call a Body White. But this Notion will perhaps be best Explan'd by the same Experiments and Observati∣ons, on which it is Built, And therefore I shall now advance to Them.
4. And in the first place I consider, that the Sun and other Powerfully Lucid Bo∣dies, are not only wont to Offend, which we call to Dazle our Eyes, but that if any