Tongue of a Worker-Bee. 



85 



muscles -which move these parts. The gutter-like extremities 

 (Fig. 22, A, I, I) are stiffened with chitine, and, when approx- 



FiG. 22. 

 If 



DUB, nu>-Mazi]lse. 

 e. tf— Cardos. 

 8t, St-Stlpes. 

 {,2— LaciQue. 



«— Colorless membrane. 



«-Sheath. 



Tongue of a Worker-Bee, much magnified. 



il— MaxillsB and labium. 

 mp,mp— Max. palpi. ft, 7c— IJabia palpi, 



o— Sub mentum. t— Tongne. 



m— Mentum. /—Funnel. 



p,p— ParagloassB. 

 B— litKula, with sack distended, 

 .f— Ifiinnel. B— Tubular rod. 



C— Cross-section of llgula. 

 iS— Tubular rod. s, «— Colorless membrana 



(The above fig. is drawn to same scale as Fig. 17.) 



