Atyptical Forms. 379 



may infrequently lead to rapid death from purulent pleurisy, 

 through an extension of the inflammation to the pleura or the 

 bursting of an abscess between the layers of the pleura. In 

 the meantime catarrhal or purulent pneumonia may develop 

 with invariably fatal results. In affections of the peribronchial 

 glands Chaussee observed in one case a venous pulse on the 

 neck and murmurs of stenosis. 



The affection of the mesenteric lymph glands which some- 

 times develops primarily, more frequently however in the later 

 course of typical strangles, and after the healing of the sub- 

 maxillary lesions, is very difficult to recognize in the living 

 animal. Usually only disturbances of digestion lasting for sev- 

 eral weeks are observed, indicated by constipation alternating 

 with diarrhea, moderate colicky symptoms, and persistent fever, 

 as well as rapid emaciation, until finally the animals die from 

 exhaustion, or a purulent peritonitis sets in suddenly which then 

 rapidly results in death. In rare cases abscesses in the mesen- 

 tery may open into the intestines, whereupon recovery takes 

 place, wiiile the development of abscesses in the gastric region 

 may result in a rupture of the stomach (Bolz). 



The primary affection of the mesenteric lymph glands is, according 

 to the observation of Szollos, inaugurated by a sudden illness, with 

 symptoms of acute gastro-intestinal catarrh, which either leads to death 

 in a short time, or disappears almost entirely in a period varying from 

 several days to 1 to 2 weeks. The symptoms reappear after a certain 

 time, and then in a more severe form. In these cases frequent stretching 

 of the hind legs, arching of the back and grunting are observed, while 

 in the region posterior to the xiphoid cartilage palpation causes pain. 

 Defecation and urination are associated with symptoms of restlessness. 

 After this condition has continued for a time, or in some cases suddenly, 

 an aggravation is observed, which leads to death from purulent peri- 

 tonitis in from 6 to 48 hours. 



Abscesses which develop in the pelvic cavity, and which may some- 

 times be found by manual examination through the rectum, exceptionally 

 penetrate towards the perineum, or under the skin of the tail, where 

 they finally break on the outside (Altmann). Sometimes they compress 

 certain nerves (for instance the N. obturatorius), or an inflammation 

 results in certain nerves with subsequent atrophy of the corresponding 

 groups of muscles (Labat) ; in both of the latter cases the locomotion 

 of one or both hind extremities is greatly interfered with. 



If metastatic abscesses in the internal organs (brain, lungs, 

 liver, spleen, kidneys, thyroid glands, etc.) are in the course of 

 development, high fever, rapid weakening of the heart's action, 

 great debility and depression of the sensibility as well as rapid 

 emaciation are observed, which usually result in death in the 

 course of a few days. Extension of a brain abscess to the 

 meninges is sometimes indicated by sudden staggering, where- 

 upon the animals drop to the ground and die. (According to 

 Kofler an inflammation of the uveal tract of the eyes is also 

 a frequent complication of strangles.) 



