no structural Peculiarities oj Workers. 



Tongtie of a Worker Bee^ much magnified. 



itix mx Maxills. w/, vtp Max. palpi. 



ec Cardos, o Sub-mentura. 



.S7, St Stipes. iti Mentum, 



/, / Lacinise. /,/ Paraglossze. 



s Colorless membrane. B Ligula, with sac 

 S Sheath, distended. 



A Maxill?e and labium. C Cross-section of 

 lig-ula. 



k k Labial palpl. 

 / Tongue, 



/Funnel. 

 Tubular rod. 

 ss Colorless membrane. 



/Funnel. 

 Tubular rod. 



(The above figure is drawn to the same scale as Fig. 27.) 



