Of the -pearled* Eyes 0/Tnfeds. 22 j 
are a Collection o (Eyes, fo perfectly fmooth 
and polilhed, that like fo many Mirrors they 
reded: the Images of all outward ObjeCts. 
One may fee the Figure of a Candle multi¬ 
plied almoft to Indnity on their Surfaces, 
drifting its Beam into each Eye, according 
to the Motion given it by the Obferver’s 
Hands : and as other Creatures are obliged 
to turn their Eyes to Objects, this Sort have 
fome or other of their Eyes always ready 
directed towards Objects on whatever Side 
they prelent themfelves. In fliort, all thefe 
little Hemifpheres are real Eyes, having in the 
Middle of each a minute tranfparent Lens 
and Pupil, through which Obje&s appear 
topfy-turvy as through a convex Glafs: 
This becomes alfo a fmall Telefcope when 
there is a juft focal Diftance between it and 
the Lens of the Microfcope. It is alfo rea- 
fonable to believe, that every Lenshzs a did- 
tindt Branch of the Optic Nerves adminif- 
tring to it: and yet, that Objects are mot 
multiplied, or appear otherwife than dngle, 
any more than they do to us, who fee not an, 
QbjeCt double though w T e have two Eyes. 
Every Man almoft that has feen a Micro - 
fcope has been entertained with a View of 
thefe minute Eyes , and yet very few perhaps 
have well conddered either the Nature or 
the Number of them. Mr. Hook com- 
puted fourteen thouland Hemifpheres in the 
