24 
FRANK S. BILLINGS. 
7. Three months old hog inoculated with culture from Mr. W’s pig (of July 8, ’86) 
July 20, ’86, died Aug. 1, ’86. 
8. Three months old hog inoculated with culture from Mr. W’s pig (of July 8, 
’86) July 20, ’86, died Aug. 7, ’86. 
9. Three months old hog inoculated with culture from Mr. W’s pig (of July 8, 
’86) July 20, ’86, recovered. 
10. Same as No. 2, inoculated with culture from Mr. W’s pig (of July 8, ’86) July 
20, ’86, no effect of consequence. 
11. Same as No. 4, inoculated with culture from Mr. W’s pig (of July 8, ’86) 
July 20, ’86, no effect of consequence. 
12. Same as No. 1, inoculated with culture from Mr. W’s pig (of July 8, ’86) 
July 20, ’86, no effect of consequence. 
18. Another pig same lot as Nos. 2 and 4 inoculated with same material, no effect 
of consequence. 
14. Healthy pig inoculated with tenth generation of same material as 6 to 13, 
Sept. 28, died Oct. 13, ’86. 
15. Healthy pig inoculated with third generation of material from Rising, Neb., 
Sept. 28, died Oct. 7, ’86. 
16. Healthy pig inoculated with third generation of material from Rising, Neb., 
Sept. 28, recovered. 
17. Healthy pig inoculated with third generation of material from Rising, Neb., 
Sept. 28, died Oct. 15. 
18. Healthy pig inoculated with third generation of material from Rising, Neb., 
Sept. 28, died Oct. 16. 
19. Healthy pig inoculated with third generation of material from Rising, Neb,, 
Sept. 28, recovered. 
20. Healthy pig fed with potato culture of same bacteria Oct. 23, no ill effects. 
21. Healthy pig inoculated with three grammes boullion culture from spleen of 
sick pig Oct. 27, died Nov. 17 ; lesions very marked. 
22. 
Same as No. 
2 
23. 
l< u 
4 
24. 
<( u 
13 
2o. 
(« << 
19 
"1 Inoculated with 5 fl. grammes of a pure boullion cul- 
I ture from the Rising outbreak, which killed rabbits in 
f four days. Some swelling and heat at point inoculated, 
and lameness. No other evil effects. 
26. 
27. 
28. 
29. 
30. 
31. 
32. 
Healthy pigs 6 mos. old. 
All raised at college farm from sows that had 
had the swine plague the previous winter and 
recovered. Each inoculated with 3 fluid 
[ grammes of a vaccine on the 14th of November, 
•{ ’86. Somewhat off feed for a few days. Heat 
and swelling at point inoculated. 
Again inoculated with the same material on 
Nov. 27, ’86. Appetite not much affected. 
__ Some swelling and heat at points inoculated. 
The above experiments show that the hogs which had the 
swine plague could not be reinfected by inoculation, nor by con¬ 
tact nor by pen infection, as they were not only placed in the 
