t 67 ] 



■flvells, as their growthwould otherwife 

 be impeded. 



The Scolopendri, when young, have 

 fewer feet than when they are full 

 grown. 



All infects, as fbon as they undergo 

 the third change, are arrived at their 

 full growth ; nor do we find any difFe- 

 rence in the fize of the fame fpecies of 

 infectin thefame countries, unlefs, du- 

 ring its caterpillar flate, it has not had 

 a fufficiency of proper food. 



Swammerdam divided infedts, in re- 

 fpect of theirtransformations, into four 

 clafles ; 



The Firft contained either fuch as 

 Ipring from an Egg, as the oviparous ; 

 or fuch as are perfect at their firft pro- 

 duction, cAled viviparous, as the Bug, 

 and thofe of the Aptera clafs. 



The Second confifted of fuch infecls 



as are furnifhed with fix feet, but have 



K 2 their 



