So infinitely wise and provident do we find all the
Dispensations in Nature, that certainly _Epicurus_, and his followers, must
very little have consider'd them, who ascrib'd those things to the
production of chance, that wil, to a more attentive considerer, appear the
products of the highest Wisdom and Providence.
Upon the Anatomy or Dissection of the Head, I observ'd these particulars:
First, that this outward skin, like the _Cornea_ of the eyes of the greater
Animals, was both flexible and transparent, and seem'd, through the
_Microscope_ perfectly to resemble the very substance of the _Cornea_ of a
man's eye; for having cut out the cluster, and remov'd the dark and
_mucous_ stuff that is subjacent to it, I could see it transparent like a
thin piece of skin, having as many cavities in the inside of it, and rang'd
in the same order as it had _protuberances_ on the outside, and this
propriety, I found the same in all the Animals that had it, whether Flies
or Shell-Fish.
Secondly, I found that all Animals that I have observ'd with those kind of
eyes; have within this _Cornea_, a certain cleer liquor or juice, though in
a very little quantity, and,
I observ'd thirdly, that within that cleer liquor, they had a kind of dark
_mucous_ lining, which was all spread round within the cavity of the
clutter, and seem'd very neer adjoining to it, the colour of which, in some
Flies, was grey; in others, black, in others red; in others, of a mix'd
colour; in others, spotted; and that the whole clusters, when look'd on
whilst the Animal was living, or but newly kill'd, appear'd of the same
colour that this coat (as I may so call it) appear'd of, when that outward
skin, or _Cornea_, was remov'd.
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