SMITHSONIAN INSTITUTION LIBRARIES 



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method of infestation need not be considered. It is therefore a sure 

 preventive against mites and lice to keep only poultry hatched in an 

 incubator and raised in a brooder. Build the hen house on a spot 

 where none has been before; never buy fowls, raise them artificially; 

 keep them away from other hens, and they will not be troubled by 

 mites and lice. 

 Approved : 



James Wilson, 



Secretary of AgtncuUure. 



Washington, D. C, August 6, 1907. 



[Cir. 92] 



o 



