Peacham, Henry: The compleat gentleman : fashioning him absolute in the most necessary and commendable qualities, concerning mind, or body, that may be required in a person of honor. To which is added the gentlemans exercise or, an exquisite practise, as well for drawing all manner of beasts, as for making colours, to be used in painting, limming, &c (London, 1661)

g 6o The fir ft Bo o\ os Lib.r.
the humour and water of the eye, and is placed about
the bail, Jesf the outward light meeting with the Chry«
flaline humour should dazell and osfend the sight* and
to keep this humour from drying Tunica uv<e,or p*>o«-
compasseth it about, this again doth compass ano-
ther coat like a Cobweb of black colour called «><*-
WohMs of Arachne^ under which lies a moisture like
molten glass, which they callvAo«<Nr, audit is thick,
within this remained* a little pearl ( as in the center
unmoved) moll hard,resembling ice or Cry stal,where-
upon it is called it is round, but more ssat
towards the ball of the eye, that it might give the wa-
try humour a better lustre, and desend it from injury.
The ball of the Eye is fat and thick, neither hath that
fat of it self any heat in it, but warmeth by the force
of heat it receiveth from the muscles that serve the
Why the Eye Eye, a^° are covered with fatness, hence the Eye
never free* never freezeth. Thus much of the sence ofseeing,and
2.eth. of the Eye.

CHAP. XIX.
Colour ivhat it is.of the objeffi of theJ?ght5
and the dtvijion thereof.
COlour according to Scaliger is a quality com-
pounded of the elements and the light, so far
forth as it is the light. Averrois and Avenpuce^
laid it w'dsasiui corporis tsrminati^others a bare fuperfi-
cies. Ar.ijioth called it corporis extr emit atom, the extre-
mity or outmofl: of a body. The objest of the sight is
any thing wbatsoever may be visible, Pluto divideth
visible things into three heads, which
C Equal 1.
vfre< Greater.
^Less.
Equall are all ti ansparent thing?, which let the sight
thorow.