164 



EVENINGS AT THE MICEOSCOPE. 



Tient parts : — the thick opaque chin, at its basal end ; 

 then the two labial palpi, each consisting of four joints, 

 of which the two terminal ones are minute, while the 

 two basal are large and greatly lengthened so as to 

 resemble in appearance the maxillce, whose function 

 they imitate also ; for the pair of palpi when closed 



JA"WS OF BEE. 



form an inner sheath for the tongue (Jiguld). Finally 

 you see this organ, which is the most curiously devel- 

 oped and modified of all ; for it is drawn out to a long 



