AN EXPLANATION 



THE TERMS USED IN ENTOMOLOGY 



Abdomen, that part of the body distinct from the thorax, forming 

 the hinder part of the insect, and consisting of segments or rin"-s. 

 (P/. 10. fig. 7. e.) . 



JEqnnle, when it is of the same breadth with the^ thorax. 



Bar-batmn, with tufts of hair at the sides or extremity^ 



Falcutum, shaped Hke a sickle. 



Fctialaium, attached to the thorax by means of a slender elongated 

 tube. 



Flanum, the under part flat. 



Sessile, sitting attached to the thorax in its whole breadth; not di- 

 stant and connected by a filament. 



Suhpctiolatiim, attached to the thorax by a short tube, nearly equalling 

 the thorax in breadth. 

 ACULEUS, the Sthig, an elongated dart, often poisonous, seated in tlic 

 extremity of the abdomen. 



Compositus, having two or more sharp points or darts. 



Exsertus, projecting, not lying hid within the body. 



Recondilus, always concealed within the abdomen, and seldom thxust 

 out. 



lietractilis, for the most part exserted, but capable of being drawn in. 



Simplex, having one dart or point. 



Voginatus, inclosed in a bivalve sheath. 

 AL7F,, t/ic Wings, the instruments of flight. 



Acuminata:, terminating in a subulated apex. 



Angulntte, the posterior margin having prominent angles. 



Angulus ani, tiie posterior angle of the inferior wings. 



Angulm posticus, that extremity of the wing which is opposite to tlie 

 ba.se and to the apex. 



Apex, the part opposite to the base, terminating the anterior mar- 

 gin. (P/. 10. fig. 8. c.) 



Basis, tlie part by which it is connected with the thorax. (PL 10. 

 fig. 8. b.) 



