ONTARIO AGRICULTURAL COLLEGE. 



BULLETIN 1-25. new VTrk 



OAROE,\ 



ROUP 



BY 



F. C. Harrison, Professor of Bacteriology, 



and Dr. H. Streit, Assistant in Bacteriology, 



Ontario Agricultural College, Guelph. 



POBLISHED BY THE ONTARIO DEPARTMENT OF AGRICULTURE, 

 Toronto, Ont., December, 1902. 



Printed by L. K. CAMERON, 



Printer to the Kind's Most Excellent Majesty. 



