TWO YOUNG NATURALISTS. 



239 



stood that some at any rate should not be exter- 

 minated : pigeons, for instance, that are domesticated 

 and used as food. 



" As for the birds of mixed qualities, it is difficult to 

 give any decided opinion as to how they should be 



A. DESTROYER DESTROYED. 



treated. For instance, the buzzards and the shrikes 

 destroy an enormous quantity of small rodents ; but 

 they also wage war against the birds that destroy 

 insects. 



" The blackbirds, warblers, sparrows, and redbreasts 



