Fig. 20, 



Tongue of a Worker-Bee^ much magnified. 



c, c— Gardos. 

 8t, iSt— Stipes. 

 Z,2— Laciniaa. 



s— Colorless membrane. 



S— Sheath. 



J.— MaxlUsB and labium, 

 mp, TTtp— Max. palpi. fe, fc— Labia palpi, 



o— Sub ibentum. t— Tongue. 



77t— Mentum. /—Funnel, 



p, p— Parapl osbsb. 

 B— Ligula, with sack distended. 

 /—Funnel. iS— Tubular rod. 



C— Cross-section of li^ula. 

 12— Tubular rod. s, «— Colorless membrane. 



