THE ALIMENTARY CANAL AND ITS GLANDS. 



85 



Slnr 



Vent 



Fig. 42. — Alimentary canal of worker (Phy-Rcct), togothor with pharyngeal glands (101), 

 and salivary glands of head (2G1) and of thorax (SGI), as seen hy cutting body open 

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



