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from their inhospitable premises every insectiverous 

 bird, which helps itself to a small part of the abund- 

 ance it has aided in producing. By making judicious 

 efforts early in the spring to entrap the mother-wasps 

 and hornets, which alone survive the winter, an effect- 

 ual blow may be struck at some of the worst pests of 

 the orchard and garden. In Europe, those engaged 

 extensively in the cultivation of fruit, often pay a 

 small sum in the spring for all wasps and hornets de- 

 stroyed in their vicinity."* 



* Langstroth. 



