90 MANUAL OF EQUINE MEDICINE. 



wards substituted cooked horse-flesh for the fibrin. When 

 paralysis set in, cantharidine liniments, followed by mus- 

 tard poultices, were applied to the abdomen, and, when 

 there was effusion the pointed firing-iron was applied, 

 penetrating as deeply as possible. 



The treatment is continued two or three months. 



Local Treatment. — In stallions, when the disease is con- 

 fined to the genital organs, castration has been performed. 



In the mare, emollient injections, followed after by 

 astringents, have been recommended. 



PURPURA H>EMORRHAGICA. 



Definition. — Is an eruptive, non-contagious, intermittent 

 fever, characterized by the presence of petechijB on the 

 mucous membrane, and by elevations of the cutaneous 

 tissue. 



Pathology and Etiology. — Purpura usually occurs as a 

 sequel to debilitating diseases, viz., influenza, catarrhal 

 fever, and strangles ; its origin being usually traceable to 

 bad ventilation. 



It may also, though rarely, occur as a primary disease, as 

 a result of malhygienic conditions, e.g., defective ventilation, 

 bad drainage, and poisonous efiluvia. 



Purpura is due to an abnormal condition of the blood 

 and blood-vessels, resulting from the above deleterious 

 influences. 



Symptoms. — Purpura may follow the defervescence of 

 mild as well as of severe attacks of such diseases as strangles, 

 catarrh, and influenza. Usually the first noticeable 

 symptom is the sudden development of local swellings on 

 difi"erent parts of the body; on the limbs, abdomen, head, 

 and especially around the nostrils, mouth, and lower part 

 of the face. They sometimes appear in patches ; but when 



