36 



PHYSIOLOGY OF THE HONEY-BEE. 



"The action of the stiug, " says Pnley, "affords an example 

 of the union of chemistry and mechanism; of chemistry, in re- 

 s;>ect to the venom which can produce such powerful effects; of 

 mechanism, as the sting is a compound instrument. The ma- 

 chinery would have been comparatively useless, had it not been 

 for the chemical process by which, in the insect's body, honey 



Fig. 18. 



THE STING op THE WORKER BEE, AND ITS APPENIiAGES. 



(Magniflcd. After Bcirb6.) 

 sting: l>, poison-sack; c,c, poison glandi ; d,cl, secreting bags. 



