19 



Symptoms 



The symptoms are usually found on the skin, but 

 occasionally occur on the mucous membrane, and may 

 extend to the internal organs. I have personally observed 

 the disease in the following regions, viz. : — 



Head — Eyes (conjunctiva), muzzle, nose, face, 

 cheeks, lips, submaxillary space, orbital process, and 

 inside the external ear. 



Neck — Various parts. 



Trunk — Withers, shoulders, back, loins, chest, sides, 

 flank, croup, quarters, hips, tail, anus, vulva, perineum, 

 scrotum, and sheath. 



Fore and Hind Lhnbs — Various parts, from coronet 

 upwards. 



Mucous Membrane — Lining of alae of nostrils, 

 septum nasi, sinuses of the head, pharynx, larynx, and 

 trachea. 



(i) Cutaneous variety. 



In Plates V, VI, VII, VIII, IX, X, XI, and XII, 

 taken from photographs of cases observed by the author, 

 the lesions will be seen in a number of the sites 

 mentioned. 



As will be seen from the foregoing remarks, the 

 lesions may be found on any part of the body, but they 

 are most frequently associated with those parts which 

 arc most exposed to wounds from kicks, contusions, 

 and harness galls. 



Inoculation apparently almost invariably takes place 

 from wounds, and may therefore develop from the 

 slightest abrasion. 



The disease usually first shows itself at the seat of 

 a pre-existing wound, or it may develop from a wound 

 not yet healed ; in the former case, the only thing that 



