Mufca, DtPTERA, 211 



Plumata, having a lateral plume, 

 or feather on the antennae : Or 



Setaria, with a fimple hair on the 

 fide of the antenna. 



The Pilofce have a fmall number 

 of haifis fcattered upon their 

 bodies, principally upon the 

 thorax ; they are either 



Plumatcz, with a lateral feather : 

 Or 



Setaria, with a lateral hair. 



Geoffroy has divided the Linnaean Mufcaj 

 into the following genera : 



1. Stratiomys: This genus comprehends fuch 

 of them as have the hinder part of the 

 thorax armed with (pines, and the an- 

 tennae without any lateral hair or fea- 

 ther, and forming an angle from the 

 end of the firft joint, which is much 

 longer than the others ; it is farther 

 divided into two families, the firft hav- 

 ing two, the other fix fpines, on the 

 thorax. 



O 2 The 



