( 173 ) 
^ t^ndeci flirely by Ndture for fome extraordinary end. Thus 
; ibat di t\)t op^t^ Nerves in order to their corfent r^c^a'nd 
e'orre^dndm^ tenfon in their Fibres, or elft^ Vifidn bad been 
always floMe^ fince chofe Nerves zvikfeparately from two: 
MpinB emnen^es of thQ brain ; but the other N^er^es ariBng 
^I&fer to^^^ there' may 'hQ-.rd CommunimtiomhQ^ >. 
twee n-ttieirK^/^^j-;»)' 015^1^ to fenfes thab require ^ 23 ot^ 
fo minute difcrimimtionoi objeds zs Vifion does^; there need- 
ed Mt that exitfihefs in the placing or tenfion of the Fibres.; 
' '^ -^rj fh ;the pofition of the Fibres xh^ Optic Nerves I - 
flew^ Mtlhey feee|> their dtfiinS: order ^ and .confeqiiently 
that they ^^af€^ notmm ov blended together at the pJaee of 
their comexion (^^^^'^^ iyxp^o^ dhjjimhors before, 
to folve 'ihe Vnion of yifion ). And this 1 obfervd not only ^ 
from wha:t is noted in Man by Vef alius, J^iohn^ and others, 
in their p&i^ticular remarks in this Cafe, but aifo by what 
Bailee it felf fhews in the Chamdeon and feveral of the fee-* 
bier fort of Fiflies^ where they are fcarce join'd ; and this 
flie might intendin thefe fmall or heiplefs creatures ('who 
turn thereby their Eyes to feverai objeds z^d, different coajh 
atonce^) to avoid chofe on all fides thatinfejt them> orto; 
catch the more readily their/<?^i^^;z^/ii?^// whereas others , 
that have *em chferjoin d view particular ohjeds the better 
by looking more fteadily or m^m/y toward one part^ and : 
are otherwife pro vided for in their food or their fafety . 
6. E obferv'd that in the infertion of thefe Fibres into the 
Eyef where Medullary partoi them forms the , 
they Hill kept their diflinil feries , and. that they- are much . 
kept in , not only by being faftne'd (or terminating) on the 
procejpis fT^&w, but aifo by little tranfverfe Fibres ( ihatarc: 
not defcribed in the Figure I have givenj which ferve to 
conneft thofe that run d long-waies > there defcribed i and., 
make the whole Coat appear in a glafs cf clear water like 
Lavon or Tiffany as I have flhewn. None that I know ever : 
(c) Su the uFigure in the former Cdlh^ionSi'^^hsre thz Wtcrs4ibyCy Phe 
7 , ' ■■ ■ did,. 
