106 



DISEASES OF SWINE AND OTHER ANIMALS. 



SinnJl iiilestines : Empty, mucli congested, and containing ten ascarides. 



Large intestines : Has its mucona niembrimes congested, reddened, and tliickened. At 

 intervals are circumcacribed spots of bloody extravasation, covered by a clot of blood 

 on the iree sni-taco. These vary from one to tvro linos in diameter. In a great por- 

 tion of the colon the contents are very dry and blood-stained. Between the layers of 

 the mesentery, among the convolntions of the large intestines, are translucent gela- 

 tinoid exndations. 



Liver : Gorged with blood, softened, and somewhat friable. 



Sjjicen. and pancreas : Normal. 



Mesenteric e/lands : Small, but in some instances partially discolored by blood. 



Lunf/s : Congested thronghout, of a brick-red, with circumscribed black spots of 

 extravasation. 



Bronekia : Filled w^ith frothy liquid, but without worms. 



Beart : The right cavities were gorged with an intensely black clot. The left cav- 

 ities contained a smaller clot. No ecchyraosis was observed. 



EXPEKIMENT No. 4. 



Poland Clnnapig,, nine weelcs old. 



Post-mortem examination January 7. — Skin: Extensively covered with purple maculae 

 and patches. Snout deeply blood-stained, some of thespots extending over the lips 

 into the mouth. The greater part of the skin being black, congestions and extravasa- 

 tions into it are only clearly made out Avhen it is cut into. 



Difjestivc organs : Tongue sound. Hiarynx has pellets of food accumulated in front 

 of the epiglottis. Submaxillary and guttural lymphatic glands enlarged and stained 

 of a blood red. 



Stomach : Not one-third filled ; odor faint, mawkish, not sour. Bears red patches of 

 congestion and ecchymosis on its great curvature. 



Small intestines : Congested almost throughout. Foyer's patch Just above the ilio- 

 ctecal valve has some black ecchymosis. On the lower .surfoce of the valve the follicles 

 are enlarged and filled with a yellowish deposit. 



Cceeum and, to a still greater extent the colon and rectum, are deeply congested, and 

 of a dark red; the mucous membrane is much thickened and throv/n into prominent 

 folds and ^^niukles. 



Two ascarides were found in the small iutestine. 



Liver : Extensively discolored of a iiurple hue, the staining being deepest in the cen- 

 ter of the acini. 



Spleen : Large, gorged with blood. Pancreas unchanged. 



J'lie hjmpliatic f/?«/K?.« of the liver, stomach, intestines, sublumbar region, pelvis, groin, 

 and flank are much enlarged and of a very dcyp red, in many cases almost black. 



Kindegs : Cortical substance pale ; medullary deep red, with spots of ecchymosis. 

 The anterior part of the left kidney contained a cyst as large as a bean. The right 

 contained two cysts, one in the pelvis, the other in the anterior part. 



Respiraiory organs : The ejnglotUs'boTe on its posterior surface some congestion and red- 

 ness, partly ramified and i)artly diffuse and ineflaceable by pressure. 



