ca 7s 
DISEASES OF SWINE AND OTHER ANIMALS 415 
Small intestines: Empty, much congested, and containing ten ascarides. 
Large intestines : Has its mucous membranes congested, reddened, andthickened. At 
intervals are cireumescribed spots of bloody extravasation, covered by a clot of blood 
on the free surface. These vary from one to two linesin 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 convolutions of the large intestines, are translucent gela- 
tinoid exudations. 
Liver: Gorged with blood, softened, and somewhat friable. 
Spleen and pancreas : Normal. 
Mesenteric glands: Small, but in some instances partially discolored by blood. 
Lungs : Congested throughout, of a brick-red, with circumscribed black spots of 
extravasation. 
Bronchia: Filled with frothy liquid, but without worms. 
Heart: The right cavities were gorged with an intensely black clot. The left cay- — 
ities contained a smaller clot. No ecchymosis was observed. 
EXPERIMENT No. 4. 
Poland China pig, nine weeks ola. 
| 
Temperature 
Data. Hour. of body. Remarks. 
ie 75° F..| Inoculated with virus preserved one month in wheat bran. 
103. 75 Passes bloody mucus from the bowels. 
101 ' 
98.75 » Very low; can scarcely stand. Died during the following night. 
Post-mortem examination January 7.—Skin: Extensively covered with purple macule 
and patches. Snout deeply blood-stained, some of the spots extending over the lips 
into themouth. The greater part of the skin being black, congestions and extravasa- 
tions into it are only clearly made out when it is cut into. 
Digestive organs : Tongue sound. Pharynx 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. Beats red patches of 
congestion and ecchymosis on its great curvature. _. 
Small intestines: Congested almost throughout. Peyer’s patch just above the ilio- 
. excal valve hassome black eechymosis. On the lower surface of the valve the follicles 
are enlarged and filled with a yellowish deposit. 
Cecum 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 thrown into prominent 
folds and wrinkles. 
Two ascarides were found in the small intestine. 
_ ' Liver: Extensively discolored of a purple hue, the staining being deepest in the cen- 
ter of the acini. 
Spleen: Large, gorged with blood. Pancreas unchanged. 
The lymphatic glands of the liver, stomach, intestines, sublumbar region, pelvis, groin, 
and flank are much enlarged and of a very deep red, in many cases almost black. 
Kindeys: 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. 
Respiratory organs: The epiglottis bore on its posterior surface some congestion and red- 
ness, partly ramified and partly diffuse and ineffaceable by pressure. 
