174 REPORT OF THE VETERINARIAN. 



would reproduce itself in another medium. I learn from experience that 

 these microbes are not easy to grow, but trust that in the near future I will 

 have discovered a medium that will reproduce them more rapidly, and thus 

 facilitate further investigation in this important disease, and enable me to 

 report more elaborately upon it ere long. 



In closing this brief report, I have to express a feeling of gratitude for 

 help rendered me by Assistant Mayo, D. V. S., who devoted much time to 

 the details of the experimental work. 



I am, sir, 



Yours obediently, 



E. A. A. GRANGE, 

 Veterinarian to the Michigan Experiment Station. 



Agricultural College. 

 June 30, 1889. 



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