i6o 



time we are satisfied that Nosema affected stocks do not yield the 

 same amount of stores as healthy colonies. 



References. 



1. Anderson and Rennie. Observations and Experiments bearing on " Isle- 



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3. Donhoff and Leuckhart. " Uber die Fadenpilz im Darm der Biene. 



Bienen-zeitung (Eichstadt)," vol. xiii., No. 6. 



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