TASTE IN INSECTS. 



43 



in the wasp it is forked, somewhat like the tong'ue of a 

 serpent. In the saw-flies (Tcnt/iredi/iidce) it is divided 

 into three, and in a predacious beetle {Leistus) it is 

 formed Hke a trident. 



Lcistus fulvibarbas ; a, its trideut-sliaped tongue, highly magnified. 



In bees the tongue is very long" and tubular, as we 

 shall afterwards notice ; and in the bugs {Cimicidai) 

 it is bristle-shaped and sharp. 



