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tents of this fmall incyfted Tumour was fluid or foft, 
it might not be capable to obftrud totally the Current 
of the Bile through the excretory Dud : But as the 
Matter of it grew thicker, and its Bulk increas'd, by 
prefling gradually more and more upon the Dud, the 
Obftrudion muft increafe 5 and the Formation of Cal- 
culuses, by their Prefliire, muft at laft make the Ob- 
ftrudion total. But as the cyftic Dud was at open- 
ing of the Body intirely coalefced and obliterated, its 
Vicinity and Situation, with refped to thefe fmall 
incyfted pultaceous and cretaceous Tumours, cannot 
be precifely determin'd j and therefore this is offer'd 
only as a probable Conjedure. 
The Bulk, Contents, and Adherences of the Gall- 
Bladder to the Right fide, were without doubt to him 
a very fenfible, and to us avifible Caufe of his firft Sym- 
ptom, the increafing Weight he had felt in the Region 
of the Liver, for 14 Years before his Death. 
The Current of moving Humours in the Animal 
Body, is always determin'd moft ftrongly to the Place 
of leaft Refiftance : Therefore by the partial Obftruc- 
tion of the cyftic Dud, a greater Quantity of Bile 
than ufual will be forc'd upon the biliary Duds, lead- 
ing ditedly from the Liver into the great hepatic 
Dud, to difoharge itfelf by the Choledochus com- 
munis into the 'Duodenum , fufficient for the mo- 
derate Ufes of the Animal Oeconomy 5 though not 
fo perfedly fufRcient, but that the periftaltic Motion 
in our Cafe felt the want of the cyftic Bile, or at 
leaft the Defed of it, fo far as to become weak and 
imperfed, too weak to propel the Excrements, or 
keep the elaftic Air within due Bounds, and therefore 
the Patient muft be fubjed to flatulent Diftentions, 
and 
