104 



DISEASES OF SWINE AND OTHER ANIMALS. 



Post-mortem examination at once. — Slin: Covered almost universally by a. blackish 

 exudation in great part dried into crusts. On tlie ears are some remu£fnts of tlie 

 former exudations and extravasations ; balf an inch of the tip of one ear is necrotic. 



Digestive organs: Moutlr healthy. Guttural I ijmjjliatic glands greatly enlarged and 

 gray from pigmentatioiK 



Stomach: Full; contents dry and acid; has reddisih discoloration as from blood 

 extravasations and broad lines along its great curvature. The mucous membrane at 

 this point is peeling oil". 



Small intestine: Contents abundant and liquid. Spots of congestion of about one 

 line in diameter ; no ulcers nor erosions ; six ascarides. 



Large intestine: Presents little abnormal. One or two depressed sjjotslike cicAtric^s. 



Mesenteinc glands : Greatly enlarged and mostly grayish from pigmentary deposit. 

 Inguinal glands also much enlarged and gray. 



Tliwacic duct: Is filled with a milliy fluid. 



Lii-er : Firm patches of pnrple. The lower margin very pale ; almost transparent. 



Spleen: Small, rigid, tAvisted as if fi'om binding organizing lymph. Its suiface is 

 tmusually white and fibrous-looking, but there is a deep black line along its anterior 

 border. 



Pancreas: Sound. 



Heart: Eight ventricle marked with bluish discoloration, e^ddently from former 

 ecchymosis. One flap of the tricuspid valve has a round, blackish nodule beneath the 

 endocardium. Left ventricle with similar bluish surface, and bicuspid valve with a 

 translucent thickening. 



Mespiratory organs : Larynx and right bronchus have each a dark red ecchymosis. 

 Lungs have black spots of ecchymosis and slight reddening of certain lobules. 



Bronchial glands: Enlarged and pigmented. 



SuMorsal glands .- Enlarged and of a very deep red. 



Brain : Generally unchanged. 



EXPERIMESfT No. 2. 



