Xlvlii INTRODUCTORY OBSERVATIONS; 



thofe unhurt, which were kept in the fame fitua- 

 tion as thofe decapitated, never furvived above a 

 few days. 



There are many other examples of animals 

 living in a condition, where it is fcarcely to be 

 imagined how any principle of life could remain. 

 Swammerdam had a larva that feemed to live as 

 well in fait water as frefh, which Lyonet quotes ; 

 and Reaumur had another that lived twenty-four 

 hours in fpirit of wine, De-Geer, propofmg to kill 

 a lobfter, put it in vinegar : in five hours, it was 

 as lively and vigorous as ever ; and, then being 

 put in fpirit of wine, it died in an hour. 



I have purpofely avoided illuftrations from the 

 animals that repair their loft parts, at leafl illuf- 

 trations relative to them, and reproduce the head 

 when cut off, as fnails, leeches, and fevera! 

 worms ; for there is a certain vegetative procefs 

 there going on. At the fame time, the fufpen- 

 fion of moft, or all the organic fundions, during 

 fix or even twelve months that it takes to be re- 

 newed, renders it wonderful that the animctl is 

 not altogether deflroyed. 



All this violence is committed on animals in 

 their utmofl vigour, when puHation is flrong, di- 

 geilion powerful, and fenfation exquifite. The 



very 



