THE ALIMENTARY CANAL AND ITS GLANDS. 



85 



Slnt., 



\fent 



-Pvent 



Fig. 42. — Alimentary canal of worker {Phy-Bect), together with pharyngeal glands UGl), 

 and salivary glands of head (20!) and of thorax (SGI), as seen by cutting body open 

 from above and pulling the ventricnlus (Vent) out to left. 



