SECT. XIX. PHYSIOLOGY. 177 
solvent power. What the solvent powers of the 
pancreatic juice may be, I cannot pretend to say, 
but it is soon enough to believe in them when 
they shall be shown to exist. 
ccccxxxvul. The alimentary tube is known to 
possess decomposing properties, and so long as its 
fluids are not known to have like qualities, it is 
a fair logical inference to assume, that the decom- 
positions which occur there, are effected by the 
tube itself, and not by the fluids contained in it. 
I would not argue that these secretions have no 
operation in chylification; I merely regard them 
as minor adjuments to the vital force ; they appear 
concurring rather than essential causes of chyli- 
fication. 
. ececxxxvil. The fecal part of the aliment be- 
comes thicker and thicker in its progress along 
the intestines, as the chyle and fluids are absorbed. 
ccccxxxix. “ The chyle consists of three parts; 
a part which is fluid, and contained in the lacteals, 
but coagulates on extravasation. The second part 
consists of a fluid, which is coagulable by heat, 
and in all its properties is consonant to the serum 
of the blood. The third part consists of globules, 
which render the whole white and opaque.”— 
ForDYCE. 
cccecxL. The chyle is no doubt influenced 
by the description of aliment, for the flavour and 
quality of animal flesh differs materially according 
Z 
