Tropicoris rufipes. 



CHAPTER XV. 



THE RHYNCHOTA*. 



The Order at wliicli we have now arrived, the last of 

 the winged or Metabolous insects, is the only group 

 in which we meet with an imperfect metamorphosis 

 and a suctorial mouth. The latter consists of an 

 articulated rostrum, composed usually of three or four 

 joints, and consisting of the labium, so elongated 

 as to form a sort of canal, which is split along the 

 upper or anterior sm-face. In the interior of this 

 canal we find four delicate bristles representing the 

 mandibles and maxillae, which are inserted into the 

 head by broad bases, serving for the attachment of 

 the muscles by which they are moved. Towards the 



* Corresponding with the Ilemiptera of Latreille. 





