90 



DISEASES OF SWINE AND OTHER ANIMALS. 



miglit bo easily overlooked. Tlic rectum contains uumcrons blood estravasatious and 

 some considerable ulcers ■with llie central whitisli necrosed portions. 



iMe-'icnicric (jJunds : Almost uuiversally enlarged and of a ileep red, from congestion 

 and extravasation. 



Liver : Of a very deep piu-plisli brown, gorged with blood, but not materially soft- 

 ened nor moderately friable. It is especially dark near the margin of the lobes. 



GaJl-hladclcr : Moderately full, bile dark green and viscid. 



Faiicreas : Sound. 



Spleen : Enlarged, gorged Avith blood, and almost black. 



Kidneys: Nearly normal as examined externally. Corticle substance of a darker 

 red than in most of the diseased pigs, and the papill.'o bear black extravasations, 

 pimctii'orm and up to half a line in breadth. The right kidney contains a small cyst 

 in its pelvis. 



Left supra-1-enal capavle is enlarged to about one-third the size of the kidney, and 

 has a clot of blood and .1 collection of cheesy matter superposed in its anterior end. 



Lungs : Nearly normal; some congestion in the i)osterior lobes is evidently quite re- 

 cent, and the cut surface freely exudes a frothy liquid. 



LLcart: Eight ventricle slightly discolored by x^unctiform petechia} beneath the endo- 

 cardium. The great aorta contains a very firm clot, partly bufi'ed. 



Blood nnder a No. 10 Hartnack immersion shows no moving bacteria, but a great 

 excess of granular matter. 



EXPERIMEiS'T No. 13. 



White female in(j, eight iveelcs old ; Irced, Chester White. 



Pig found dead on the morniiig of December 14. 



Posl-moriem examination. — Slan: Blue spots on the belly, h^gs, rump, p.erineum, and 

 ears. Free portions of the ears of a dark pixrple. Pink papillary eruption, and black 

 concretions tin the ears. 



Digestive organs : Tongue has an ulcer, Y.'ith slough a little to the left of the tip — 

 size one and a half lines in dia^mcter. 



Tonsils and. sop palate: The seat of a uniform bluish cnnj^ostio;). Subm-Txillary 

 lymphatic glands in part reddened and congested. 



(iullct : Contains clots of a stringy, iibiiuous material. 



Slomncli : Near the left eul de sac is a dirty, yellowish-Avhite false membrane of about 

 one inch .srinare. The groat curvature is of a dark -brownish i-ed, wilh some brighter 

 red spots of more recent blood extravasation. 



Small inirslines : Nearly empty, though at intervals were round, hard i)ellets of in- 



