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All that fort have looked upon the Dcdinne of Vhypogmmyi 
as a great truth handed down by Infallible Antiquity^ fb never 
troubled themfelves to devifeany Hypothefis but what was more 
ridiculous than Judicial Afirology its Parent^or Rofya-Mcian lore; 
or toafSgn any Intelligible Natural Caufes^ for a Fcundacion 
of fuch an ufeful Knowledge^ as might in (ome meafure fiip- 
ply the defed of the fo much v/ifa'd Window of the Philo- 
fopher, in Man's Breaft. This made moft Men rejed ic as a 
Folly, and oppofe one old faying by another, never making 
an eftimate of a Man's Parts, or Temper on fightj unlefs the 
Fooljor Gallows were very legible. But upon ftrid Enquiry 
I find reafon to conclude that a fober Naturalift miay find 
much truth in that Art, which may be ufefui^ and well folve 
all its Thanomena intelligibly, which has not been done by 
any one that I know ; and if any of this learned Company 
have met with any, I defire they may here put a flop to this 
Difcourfe, that I may not offend by infipid Repetition. 
Soft Wax cannot receive more numerous and various Im- 
*preffions, than are imprinted on Man's Face by Objeds mo- 
ving his Affedions^ and not only the Objeds themfelves have 
this Power, but alfo the very Images, or iJ.ea's : that is to fay, 
any thing that puts the Animal Spirits into the fame motion 
that the Objed prefent did, will have the fame Effed with 
the Objed to prove the firft, let one obferve a Man's Face 
looking on a Pitiful Objed, then a Ridiculous, then a Strange, 
then on a Terrible oi Dangerous Objed, and fo forth j for 
the fecond, that Ideas have the fame Effed with Objeds real, 
Dreams confirm too often ; and Virgil can in a little time 
make one Face reprefent Shame, Fear, Love, Anger, Sor- 
row, &c. 
The manner I conceive to be thus,the Animal Spirits moved 
intheSenfbry by anObjed,continue their motion to the Brain, 
whence the motion is propagated to this or that particular 
part of the Body as is moft fuicable to the defign of its Crea- 
tion, having firft made an akeracion in the Face by its Nerves, 
efpecially t\iQVathetick^zn^Oculorummotoniy3LdL\i3^tmg its many 
Mufcles, as the Dial-place to that ftupendious piece of Clock- 
work, which fhews what is co be expeded next from the 
ftriking part : Not that I chink the motion of clie Spirits in 
the Senfbry continued by the impreflion of the Objed, all 
the way, as frotii 4 Finger to the Foot 5 I know it too weak, 
though 
