342 



A MANUAL OF BACTERIOLOGY 



glands are affected, the enlarged glands being known as 

 " farcy buds " (Fig. 40). 



In man the disease is rare, an average of four deaths 

 per annum being caused by it in this country. It occurs 

 in two forms the acute and the chronic. The former 

 is a very serious affection, accompanied by high fever, 

 prostration, and delirium, and almost invariably fatal in 

 from two to three weeks. The seat of infection is usually 



FIG. 40. Horse affected with farcy (McFadyean). 



the hand or arm, the nasal mucous membrane being 

 sometimes subsequently involved, and deposits may form 

 in the lymphatic glands, internal organs, and muscles. 

 In the chronic form intramuscular abscesses are frequent, 

 from the breaking down of which indolent ulcers may 

 result ; the disease runs a prolonged course of weeks or 

 even months, and about half the cases end in recovery. 

 In the early stage an eruption may develop on the 

 forehead and face simulating very closely that of 

 smallpox, 



