HOG CHOLERA, OR SWINE PLAGUE. 
451 
onchial lymphatic glands enlarged and oedematous; stomach 
id its mucosa swollen, ulcerated and covered with a viscid 
ass j and near the pyloris stained with bile. Microscopic ex- 
nination of the spleen and blood revealed the presence of the 
laracteristic bacteria. 
DIAGNOSIS. 
Peritonitis visceralis adhesiva. 
Enteritis tenuse catarrhalis et haemorragica. 
Enteritis crasus ulcerativa follicularis cascosa. 
Splenitis parenchymatosa. 
Nephritis parenchymatosa. 
Hepatitis parenchymatosa et degeneratio adiposa. 
Gastritis catarrhalis. 
Lymphadenitis parenchymatosa hsemorrhagica. 
Pleuritis effusa. 
Broncho-pneumonia lobularis. 
Myocarditis parencymatosa. 
Tracheitis et bronchitis catarrhalis purulenta. 
Dr. Billings has also endeavored to prepare a vaccine from 
are cultures of the bacteria, but as the method is not com¬ 
peted to his satisfaction I am not at liberty to mention it. 
evertheless, he has at present fifteen hogs under one year old 
hich he has rendered immune to a virus of the first culture. 
»r. Billings had no opportunity of testing the above animals 
y natural infection until October 27th, when a severe outbreak 
c swine plague occurred in the vicinity of Lincoln among some 
ogs recently imported from Iowa, among which he has placed 
ie above-mentioned animals and naturally awaits the result with 
)me amount of anxiety. 
This affected herd was placed at the doctor’s disposal to do 
i lie pleased, there being seventy-five hogs in it. At the present 
me they are dying at the rate of three or four per diem. 
We have been making autopsies daily upon dead ones, and 
so on one or two we have killed, and found lesions in some, 
hich go to show they must have brought the disease with them, 
ie very acute and extremely characteristic case being at our 
isposal on the 26th of October, the autopsy of which offers, not 
