THE BROOD-KEAEING CYCLE OF THE HONEYBEE 



51 





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Fig. 2o. — Curves showing variation in sealed brood found weekly in the various hive bodies dur- 

 ing the; season of V.Yi'l in colony No. 4. The heavy unbroken lino represents the total of all hivo 

 bodies; the dotted line the first, the narrow unbroken lino the second, and the narrow broken 

 line the third hive body 





