[ 294 J 
Simulating fubftances, or when it expe¬ 
riences the nervous impreflion in any other 
way. Saline matters diffolved and applied 
to the nervous papilla? of the tongue in- 
ereafe the fecretion of the faliva. Smoke 
and certain vapours provoke a copious flow 
of tears; a greater afflux of fluids into 
the inteftinal canal is determined by ca¬ 
thartics; fquills folicit and augment the 
adlion of the kidnies. The mouth of an 
epicure waters at the flight of a delicious 
morfel. Fear frequently occafions a di¬ 
arrhoea. In a fit of melancholy, there is a 
great fecretion of urine. 
It frequently happens, that on one fecre¬ 
tion being increafed, another or feveral at 
once fuffer a diminution. 
In a colliquative flux, the tongue is 
parched, the perfpiration and urine fcanty. 
Again, fometimes one fecretion or feve¬ 
ral are fupprefled or fufpended without an 
increafe of any other. Opium, under cer¬ 
tain 
