[ 7 *° ] 
of its Mufcles. They made the Surface of the I?i~ 
t eft me a little pale, and thereby formed a fort of Un- 
dulation on its Surface. It was chiefly in this fort of 
Motion, that there was fqueezed out of the villous 
Coat of the Intejiines , a Mucilage and Serofity, which 
flowed from it in Abundance. Both thele feem to 
fcrve for diluting the Faces-, and preparing them an 
eafier Paflage. The cold Air did not fail to excite 
thefe Motions, and the Woman felt fome Touches of 
the Colic. 
After having made thefe Obfervations on the na- 
tural Functions of the Intejiines , it occurred to my 
Thoughts to obferve the Effedt of Cathartics therein. 
One does not often fee the Infide of the Guts of a 
living Perfon in good Health, and freely performing 
his Fundions: Wherefore I was willing to make ufe 
of fo uncommon an Occafion. 
Firft, I put a little Pulp of CaJJia on feveral Places 
of thefe Two Portions of Gut. This Medicine made 
very little Impreflion on thofe Parts ; they flirted very 
little, efpeciaily the upper Gut. 
Next, I laid on Manna. This, when fomewhat 
diflolved; formed a fort of Froth, and then the Gut 
was agitated by vermicular Morions, and by fmall 
convulfive Contractions, much more diftind than in 
the Conditions I had examined it before, 
I took off the Manna , and ftrewed Powder of 
Jalap on the Gut. At firft it had no E fifed j but, 
when it was moiflcned, the Gut was violently agi- 
tated, difeharged much Serofity, and the Patient com- 
plained of Gripings. I removed the Powder, and 
under it I found a great Quantity of Mucilage, that 
was already gathered there. 
I 
