( 88 ) 
ced by animal Powers from the Vegetables 
they feed on, chew and fwallow down ; 
and are by its Adtion digefted in the Sto- 
mach, thruil into the Duodenum, mix- 
ed with the Bile ; and further digefted by 
the Adtion and Juices of the Inteftiries, ela- 
borated again in the Mefentery apd Tho^ 
racic Dudts and Glands, mix’d with their 
Juices, poured into the Subclavian Vein, 
undergoes the Adtion of the Veins, Heart, 
Arteries, and Lungs, is affimulated to the 
animal Juices ; in which laft Courfe its 
thinner Parts are again {trained off by the 
Lymphatics, but ftill continues feparable 
from the other Juices by the Glands of the 
Breath 2. Milk and Chyle thus produced, 
&re only an Emulfion prepared from Vege- 
tables in the animal Body. This is alfo 
proved from the Refemblance they bear to 
one another, not only in Colour, Tafte, 
Confiftence, and Oilinefs; but both Milk 
and Emulfions made of native Oil and Wa- 
ter, throw up to the Surface of their Li- 
quors, a white, thick, and oily Cream, and 
if both are kept fome time in a warm 
Air, both turn firft {harp, then quite acid ; 
but Emulfions will neither coagulate with 
3 Acids 
