FIG. 42 ALIMENTARY CANAL OF THE BEE. THE DEPTH OF 

 SHADING INDICATES AREAS OF RELATIVELY HEAVY OR SLIGHTER 

 INFECTION WITH NOSEMA APIS 



<e. t (Esophagus ; c., crop or honey stomach ; s., stopper ; c.s., chyle 

 stomach; m.t., Malpighian tubules; s.i., small intestine; 

 l.i. t large intestine 



