154 PUEPUEA H^EMOERHAGICA. 



symptoms of internal mischief are absent when there is 

 plentiful diuresis : but if the urine be scanty, ropy, voided in 

 small quantities ; if there be much painful distention of the 

 thighs from effusion beneath the fascia; if there be much 

 extravasation about the nose and head, and effusion beneath 

 Schneider's membrane, &c., the prognosis is unfavourable; 

 and, moreover, if symptoms of internal disease exist. 



" Treatment Aperients are useful when not pushed too 

 far. Bleeding is admissible, and seems demanded in the 

 plethora which certain cases manifest, or when vital organs 

 are affected or threatened, but rarely benefits ; though the 

 pulse, in some instances, requires it. Turpentine is given, 

 advantageously, in all forms : the oil may be too irritating to 

 the urinary passages, cause some effusion of blood, and re- 

 quire to be discontinued. 



" The acids are advisable as tonics and styptics. 



" The sulphate of iron is useful. 



" Pure air of the country, out at grass; exercise. 



" Cold affusion particularly good. 



" Remarks. A disease of the highest interest in a patho- 

 logical point of view, and requiring more investigation, and 

 seemingly referable to a morbid condition of the blood and 

 fluids." 



Very few of the cases reported by veterinary surgeons as 

 cases of purpura merit the name, inasmuch as they are 

 clearly instances of a fatal affection occurring in animals at 

 all ages, and associated with symptoms of stupor, prostration, 

 and disorganization of tissue, which are quite exceptional in 

 purpura in man. 



Purpura hsemorrhagica, properly so called, occurs princi- 

 cipally in the dealers' and jobmasters' horses purchased as 

 three or four year-olds in Yorkshire, Lincolnshire, and else- 

 where. These horses are fat and overgrown; they are in 



