4 Introduction. 



Makoto Koidzumi, Assistant Expert Institute for 

 Infectious Diseases. 

 Temporary Commissioners : 



Heitaro Yoshida, Cavalry Colonel. 



Ginzo Yanagisawa, Jyuigakuhakushi, Colonel A. 



V.C. 

 Toshinobu Miyamoto, Major A. V. C. 

 From the following gentlemen especial help was asked 

 during the progress of investigations : 



Iwakichi Kani, lyuigakuhakushi, Professor of 



Morioka Higher Agricultural College. 

 Naoyoshi Kii, Captain A. V. C. 

 Kanta Nimi, Captain A. V. C. 



b. Object and Methods of Investigations. 



The object of the Committee is to investigate the 

 nature of the disease and to find out the most practical 

 methods of treatment and prevention for immediate need, 

 leaving detailed scientific research on the disease for the 

 future. 



The investigations have been carried on along the 

 following three lines, and the commissioners have been 

 divided into three groups accordingly: 



1. Careful investigations of the conditions of initial 

 outbreak and spread of the disease, clinical examination 

 and treatments, methods of prevention, etc. 



2. Protistologic, pathologic and chemical study of the 

 disease. 



3. Comparison of the disease with similar ones oc- 

 curring among the horses of foreign countries. 



At the request of the commissioners the following 

 experiment stations were founded at different times 

 during the past six years : 



