STRONGYLUS DOUGLASiSII. 163 



would dry up the worms, but witli what results is 

 doubtful. But until the discovery of some drug that 

 is really deadly to this worm^ and at the same time 

 innocuous to the bird, the farmer must place his chief 

 reliance in keeping up the stamina of his birds, so 

 as best to assist nature to throw it off, and as the best 

 preventive to their contracting the disease. 



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