CONTRIBUTORS. 



BIOLETTI, FREDERIC T., M. S. 



Associate Professor of Viticulture, University of California, Berkeley. Viti- 



culturist of Experiment Station. 

 BUCHANAN, R. E., PH. D. 



Professor of Bacteriology, State College, Ames, Iowa. Bacteriologist of Expe 



ment Station. 



DORSET, M., B. S., M. D. 



Chief of Biochemic Division, U S. Bureau of Animal Industry, Washing- 

 ton, D. C. 



EDWARDS, S. F., M. S. 



Professor of Bacteriology, Ontario Agricultural College, Guelph, Canada. 



FIDLAR, EDWARD, B. A., M. B. 



Director of City Laboratories of Pathology and Public Health, City Hospital, 



Hamilton, Ont., Canada. 

 FROST, W. D., PH. D. 



Associate Professor of Bacteriology, University of Wisconsin, Madison. 



HARRISON, F. C., D. Sc., F. R. S. C. 



Principle, Professor of Bacteriology, Macdonald College (Faculty of Agricul- 

 ture, McGill University), Quebec, Canada. 



HASTINGS, E. G., M. S. 



Associate Professor of Agricultural Bacteriology, University of Wisconsin, 

 Madison. Bacteriologist of Experiment Station. 



HILL, H. W., M. B., M. D, D. P. H. 



Director: Division of Epidemiology, Minn. State Board of Health. Assistant 

 Professor of Bacteriology, University of Minnesota, Minneapolis. 



KING, WALTER E., M. A. 



Formerly Professor of Bacteriology, Agricultural College, Manhattan, Kansas. 

 Bacteriologist of the Experiment Station. Asst. Director, Research Laboratory, 

 Parke, Davis and Co., Detroit, Mich. 



LIPMAN, JACOB G., PH. D. 



Professor of Soil Fertility and Bacteriology, Rutgers College, New Brunswick, 

 New Jersey. Director, Soil Chemist and Bacteriologist of Experiment Station. 



Note Edward Fidlar, B. A., M. B., Senior Demonstrator of Pathology and 

 Bacteriology in the University of Minnesota, cooperated with Dr. H. W. Hill in the 

 preparation of the account of specific diseases. 



V 



