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thors have accordingly meafured the 

 length and breadth of them by lines. 

 An infect that is become perfect, after 

 the firft expanfion of its wings, con- 

 tinues always of the fame fize. We 

 are neverthelefs liable to many decep* 

 tions from it ; for if the infecl: in itsLar- 

 va fiate mould have been deprived of 

 proper nourifhment, it will be leis when 

 perfecl: than others of the fame fpecies. 

 It happens, likewile, that the fame 

 Ipecies of infe£ts varies greatly in fize in 

 difFerent countries. Thus the Silpha 

 Vefpillo in America is twice as large a§ 



ours. 



To conclude, we would earnefily 

 recommend to thofe gentlemen whofe 

 fummer refidence is in the country, a 

 farther inveftigation of the metamor- 

 phofes of infeds. They would derive 

 much entertainment and rational plea- 

 furefromdevoting their leifure moments 



t(J 



