88 



DISEASES OF SWINE AND OTHER ANIMALS. 



periphery, and for a considerable distance at intervals, the congested portions being 

 mostly empty and contracted. 



IliO'Cacal valve: Peyer's patch, which i^asscs over the valve, has many of its follicles 

 filled up "with a yellowish-white matter. The whole patch is swollen, but not very 

 vascular to the naked eye. 



Ccecum and colon bear petechite : Many solitary glands in the colon are unusually large ; 

 some excessively dilated, filled with yellowish matter, and apparently commencing to 

 form ulcers. Spots of congestion scattered over the mucous membrane show minute 

 extravasations Avhen placed under the microscope. 



Mesenteric glands : Some unchanged ; some stained of a deep blood color. Inguinal 

 glands large. 



Kidneys : Normal. 



Liver : Is firm and solid. Bears numerous jninctiform petcchife on the posterior sur- 

 face of its right lobe, .and a large dark-purple patch on the posterior aspect of its mid- 

 dle lobe. 



Gall bladder: Moderately filled with a straw-colored, glutinous bile. Meml)ranes of 

 the bladder unchanged. 



Pancreas and spleen: Normal. 



Chest — heart : Left ventricle contaius potechire. Eight auricle just above the auri- 

 culo-ventricular valve presents a brownish-red spot which, under the microscope, is 

 seen to contain much granular matter in the sub-serous connective tissue. 



lAinfjs : The right has two dark, blood-colored spots on its posterior part. The left 

 shows similar colorations, mostly in lines along the inter-lobular spaces. The bronchia 

 leading to such points contained no parasites nor exudation. 



Bronchial hjmphatic glands : Normal, 



Brain: Normal. 



Experiment No. 11. 



Whitemalepig,eightweehs old; breed, Chester White. 



Post-mortem examination. — Shin: In great part covered by the usual black concretion. 

 Has patches of purple on cars and legs. 



Digestive organs : Some depo.sit exists on the lower surface of the tongue, to the left 

 of the frcnum, composed of granular matter and cells having more than one nucleus; 

 evideutly the remnant of a small abscess. On the fauces, to the right side, is a ]mr- 

 plo patch not removed by pressure, extending to an inch in length and a quarter of an 

 inch in breadth. 



Pharynx and larynx: Normal. 



