598 



Hog-cholera 



continued by others, and Dorset, Bolton, and McBryde * 

 published a pamphlet upon the "Etiology of Hog-cholera," 

 in which the whole subject is reviewed and the unimportant 

 role of the hog-cholera bacillus convincingly shown. The 

 subject is continued from the standpoint of utilizing the 



Fig. 175. Ulceration of the intestine in a typical case of swine-fever 

 (Crookshank). 



newly acquired knowledge in preventing the disease in 

 still another paper >y Dorset, McBryde, and Niles upon 

 "Further Experiments Concerning the Production of Im- 

 munity from Hog-cholera." f 



* "Bull. 72, Bureau of Animal Industry," U. S. Dept. Agriculture, 

 Washington, D. C., 1905. 



t "Bull. No. 102 of the Bureau of Animal Industry," U. S. Dept. of 

 Agriculture," Washington, D. C., Jan. 18, 1908. 



