AN EXPLANxVTION 



■ 



THE TERMS USED IN ENTOMOLOGY. 



Abdomen, that jiart of lUe Iwdy distinct from the thorax, forming 

 the hinder part of tlic insect, and consisting of segments or rings. 

 {PL 10. Jig. 7. c.) 



jEqmik, when it is of the same hreadtli \vith the thorax. 



Barhatimi^ with tiilts of hair at the sides or extremity. 



Takatum, shaped hke a sickle. 



Fi'tiolatmii, attached to the tht ca\ by means of a slender elongated 

 tube. 



Picmum, the under part flat. 



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

 stant and connected by a filament. 



Suhpetiolahmt, attached to the ihoraxby a short tube, nearly equalling 

 the thorax in l)readth. 

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

 extremity of the abdomen. 



Composltus, having two or more sharp points or darts. 



Hxsertus, projecting, not lying hid within the body. 



Keconditus, always concealed within the abdomen, and seldom thrust 

 out. 



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

 ^Simplex, having one dart or point. 



Vaginatus, inclosed in a bivalve sheath. 

 AL.'l^', the Wings, the instruments of flight. , 



Acuminatee, terminating in a subulated apex. 



Angulattp, the posterior margin having prominent angles. 



Avgnlus ani, the posterior angle of the inferior wings. 



Angulus ]}osticus, that extremity of the wing Avhich is opposite to the 

 base and to the apex. 



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

 gin. (PI. 10. Jig. 8. c.) 



Basis, the part by wliich it is connected with the thorax. {PI. 10. 

 /'g. B. b.) 



