THE WORKER-BEE. 75 



perature, or the conditions of the colony. Dzierzon and others 

 wrote that a worker-bee can hatch in nineteen to twenty-one 

 days. Collin says nineteen to twenty-three. That the brood 

 can remain even longer before hatching, is confirmed Ijy the 



Pig. 32. 



NYMPH. 



(Magnified. After Barbd.) 



report of A. Saunier, in the South of France. Having de- 

 prived a hive of all its inhabitants, he found bees, hatching 

 twenty-three daj'S afterwards, that had not even been sealed 



