[ 43 1 



Scutellum, or Bfcutcheon, (plate i. 

 d.) is the pofterior part of the thorax ; it 

 is frequently triangular, and appears to 

 be divided from the thorax by an in- 

 tervening future, as in mofl of the coleop- 

 tera. 



Sternum, the Sternum, is fituated 

 on the inferior part of the thorax ; it is 

 pointed behind in .the elateres, and bi* 

 fid in fome of the dytifci. 



Abdomen, the Abdomen, (plate i» 

 e.) is in mofl infecls diflincl: from the 

 thorax ; it is the pofterior part of the 

 body of the infect, and is compofed of a 

 number of annular fegments, which 

 ferve occafionally to lengthen or. fhor~ 

 ten it, and to contain the organs of 

 chylifaclion, &c. 



Spiracula, are little holes or pores, 



placed fingly on each Mde of .every feg* 



G 2 ment 



