f 208 ] 
when an impreflion is made upon the nei> 
vous fyftern, whether by moral or by phy- 
ficalcaufes. 
We frequently laugh involuntarily, and 
imitate the addon of yawning. A perfon 
afflided with epilepfy, when he fees 
another feized with an attack of the fame 
complaint, is frequently taken ill himfelf. 
Convulfions in the fair fex are like wife 
fometimes communicated by fympathy, 
but more commonly are the effeds of 
emotions of the mind. 
We fee depicted in the countenance of 
man, the different paffions by which he is 
chagrined and controlled, in fpite of his 
utmofl exertions to conceal from us what 
paffes within him. 
Phyfiognomy informs us what others 
think both of our words and addons, and 
it too often happens, to our no fmall cha¬ 
grin and mortification, that we difeover 
that language does not always correfpond 
with 
