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. 



Tongue of a Worker-Bee, much magnified. 



mx, mx— HaxlUse. 

 c. c— Gardos. 

 St, St— Stipes. 

 1,1— Lacinue. 



k, ft— Labia palpi, 

 t— Tongue. 

 /—Funnel. 



.A— MaziUsB and labium. 

 9n2>,mp— Max. palpi. 

 0— SuD mentum. 

 m/— Mentum. 

 p, p— Para^losBSB. 

 £— Liffula, with sack distended. 

 /—Funnel. B— Tubular rod. 



C— Cross-section of ligula. 

 B— Tubular rod. a, s— Colorless membrane. 



s— Colorless membrane. 

 8— Sbeath. 



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



