CONTRIBUTORS 



BIOLETTI, FREDERIC T., M. S. 



Professor of Viticulture and Enology, Viticulturist of Experiment Station, 



University of California, Berkeley. 

 BUCHANAN, R. E., B. S., M. S., PH. D. 



Professor of Bacteriology, Bacteriologist of Experiment Station, and Dean 



of the Graduate College, Iowa State College, Ames. 

 CRUESS, W. V.. 



Assistant Professor of Fruit Products, Agricultural Experiment Station, 



University of California, Berkeley. 

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



Chief of Biochemic Division, U. S. Bureau of Animal Industry, Washington, 



D. C. 

 EDWARDS, S. F., B. S., M. S. 



Formerly Professor of Bacteriology, Ontario Agricultural College, Guelph, 



Canada. Director of The Edwards Laboratories, Lansing, Michigan. 

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



Formerly Chief of Division of Pathology, Institute of Public Health; 



Pathologist of London Asylum and of Victoria Hospital; Professor of 



Pathology, W. U. Medical Faculty; Bacteriologist of London Board of 



Health, London, Ontario. Captain, C. A. M. C. 

 FROST, W. D., PH. D., D. P. H. 



Professor of Agricultural Bacteriology, University of Wisconsin, Madison. 



GUILLIERMOND, A., DOCTEUR fes SCIENCES. 



Professor of Botany, University of Lyon, France. 

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



Principal and Professor of Bacteriology, Macdonald College (Faculty of Agri- 

 culture, McGill University), Macdonald College, Que., Canada. 

 HASTINGS, E. G., M. S. 



Professor of Agricultural Bacteriology, Bacteriologist of Experiment Station, 



University of Wisconsin, Madison. 

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



Formerly Executive Secretary, Minnesota Public Health Association, St. 



Paul; Director of Institute of Public Health of Western University, 



London, Ontario, Canada. 

 ITANO, ARAO, B. S., PH. D. 



Associate Professor of Microbiology, Massachusetts Agricultural College, 



Amherst. 



