Iumpy Jaw of Cattle 415 
Fig 57. Lumpy jaw, or actinomycosis, 
they will be found to be rosettes of club-shaped fungi. 
This fungus (Cladothrix actinomyces var. bovis) is the 
cause of the disease. 
If the tumor is free from the bone, the best treatment 
is to remove it with the knife, and treat the part asa 
simple wound. If it cannot be removed, in many cases 
it can be cured by giving iodide of potash internally in 
