VI CONTRIBUTORS. 



MACNEAL, W. J., M. D., PH. D. 



Lecturer on Pathology and Bacteriology, New York Post-Graduate Medical 



School. 

 MCCAMPBELL, E. F., S. B., Ph. D., M. D. 



Secretary of State Board of Health of Ohio; Professor of Bacteriology, Ohio 



State University. 

 PHELPS, EARLE B., S. B. 



Assistant Professor of Research in Chemical Biology, Massachusetts Institute 



of Technology, Boston. 

 RAHN, OTTO, PH. D. 



Assistant Professor of Bacteriology, Michigan Agricultural College, East 



Lansing. Assistant Bacteriologist, Experiment Station 

 REYNOLDS, M. H., B. S., M. D., D. V. M. 



Professor of Veterinary Medicine, Agricultural College, University of Minnesota, 



St. Paul, Minn. Veterinary Medicine and Surgery, Experiment Station. 

 SACKETT, WALTER G., B. S. 



Bacteriologist of Experiment Station, Colorado Agricultural College, Fort 



Collins. 

 STOCKING, W. A., M. S. A., 



Professor of Dairy Industry, Cornell University, Ithaca, N. Y. Dairy Bacteri- 

 ologist of Experiment Station. 

 THOM, CHARLES, PH. D., 



Mycologist, Dairy Division, Bureau of Animal Industry, U. S. Dept. of Agri- 

 culture, Stationed at Storrs, Conn. 

 TODD, J. L., M. D., D. Sc. 



Associate Professor of Parasitology, McGill University, Montreal Canada 

 Dr. L. F. Rettger of Yale University kindly furnished a brief review of "Bacillary 

 White Diarrhoea of Chicks." 





