[ *6 ] 
XXIV. 
Now, notwithftanding this wife Contrivance that 
appears in the Confent of thefe Mufcles upon open- 
ing the Eye, there is a Circumftance, wherein the 
Elevator of the Eye afts in pulling the P/^/7 upwards, 
when the Aperiens Palpebram does not a at all, 
but continues fhut; and that is, when one (huts the 
Lids, in order to fleep ; for, in that Cafe, the Pupil 
is turned up, as if Nature intended, that, whilft the 
upper Lid is drawn down, the Pupil fhould be inti- 
mately covered, by being turned up under ir, left any 
Rays of Light might ftimulate the Eyes, and impede 
the fweet Refrefhment, which is fo neceffary after 
Bufmefs and Fatigue. This is the Cafe with all who 
fleep with their Lids clofe 5 and as to thofe who fleep 
with them open, it is very apparent in them; for, 
whofoever takes notice of fuch while they fleep, 
will find, that nothing is feen but the White of the 
Eye j and, upon awaking them, will eaftly fee the 
Pupil turning down, as the Lids open. 
XXV. 
Mufcles of the Eyes. 
T H E Eyes have fix Pair of Mufcles, three Pair to 
each, which are, the Elevator , c DepreJfor , Ad- 
daft or, Ab daft or, Obliquus fuperior, Obliquus inferiors 
which, altho' they cannot be faid to contribute aught 
to the Formation or Gefture of the Face, yet they 
have no fmall Share in the Exprelflon of the Paffions 
of 
