Tongue of a Worlcer-Bee, 85 



muscles which move these parts. The gutter-like extremities 

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



FiG. 22. 



mx, ma;— Maiillse. 

 e, c — Cardos. 

 St, St— Stipes. 

 I, I— liaciniae. 



a— Colorless membrane. 



Tongue of a Worker-Bee, muck magnified, 



4— Maxillae and labium. 



fc. 7c— Labia palpi, 



(—Tongue. 



/—Funnel. 



*y— Sheath. 



mp, mp— Max. palpi. 



o— Sub mentum. 



m— Mentum. 



P, p— Paraplosaae. 

 B— Liaula, with sack distended. 



.f— Funnel. R— Tubular rod. 



C— Cross-section of ligula. 

 i2— Tubular rod. s, s— Colorless raembraue. 



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



