E 206 j 
applied to the mutilated parts. Even if 
they remain quiet and be again handled, 
they awake as it were, and move as if to 
avoid being touched. If the body be di¬ 
vided in its whole length, including the 
head, the fore legs make the fame motions 
with the hind ones. 
In that cafe, the contact of air with the 
cut parts, or of any external flimulus, pro¬ 
duces a fimilar effedl to what the fentient 
principle would have caufed in an animal 
in a Hate of integrity. 
But if we tie or divide the nerves near 
their origin, the motions ceafe as in the 
living animal, under the fame circumftance. 
Animals at the moment of their birth 
perform movements, which require a very 
elaborate and complex mechanifm. Be- 
fides, there are fome fpecies, which at 
this period, are as well informed as the 
individual which gave them birth. Thefe 
operations are the offspring of inftindt, 
and* 
