[ 55 3 



Jectfor dirTerent fpecies; as for inftance, 

 in the Phalaena Humuli, Piniaria, Ruf* 

 fula ; each fex of which difFers in co- 

 lour. This unlikenefs is ftill more ap* 

 parent in fome infects, in which the 

 male has wings, and the female none, 

 as in the Coccus, Lampyris, Phalaena 

 Antiqua, Brumata r Lichenella. And 

 as mofl infecls remain a long while iu 

 copulation, as we may fee in the Ti- 

 pula, -and Silk-worm ; the winged 

 males fly with the winglefs females, 

 and carry them about from one place to 

 another, as in the Phalaena Antiqua. 

 It is, however, no certain rule, that 

 when one infecl: of the fame fpecies is 

 found to have wings, and the other to 

 be without, the former muft neceflarily 

 be the male, and the latter the female. 

 The Aphides, for inftance, are axi ex- 

 ception ; and befides theie, individuals 

 of both fexes, and of the fame fpecies/ 



are 



