900 The American Naturalist. [October, 
I St. The identity between the Schweine-seuche and the 
Wilde-seuche. 
2d. The non-existence of the Schweine-seuche in this country. 
The case would be strengthened had Bleisch and Fiedeler had 
opportunity to examine one of the calves reported to have died 
by the owner, and made the necessary control experiments from 
the same. 
Another point must not be overlooked, and which contradicts 
the assertion of the Government that the Swine-plague and the 
German Schweine-seuche are identical, is the immense difference 
in the results following subcutaneous inoculations of the respec- 
tive germs directly in the lungs of healthy swine. 
The Government admits that "in none of these (its) ex- 
periments was the disease reproduced," even though they in- 
jected as high as 5 ccms. of a culture " directly into the lungs," 
(Report, 1887.) The German investigators were positively suc- 
cessful with so small a dose of culture as one-third of a ccm., the 
animal dying in ten hours, while the Government swine lived 
" forty-one days " and were killed, having been seriously ill. The 
Germans also produced the same lesions in their inoculated swine 
as they found in those infected under natural conditions, and say : 
" Confirmatory also was the presence of grey-red hepatization in 
the lungs, which in nothing, not even in the bacteriological re- 
sults, differed from the natural disease as seen in its earliest 
stages."— P. 438. 
It is but common honesty to admit that the Government in- 
vestigators do report having finally killed a hog by the injection 
of 9 cubic centimeters " ! ! ! of culture into the lung, but what 
kind of a germ with any virulence in swine would not kill in 
such doses as that. Prof. Welsh also reports similar results fol- 
lowing the injection of 8 ccms. into the right lung of a pig, of 
the same germ. 
Such experiments as that are more contradictory than con- 
firmatory as to any identity between the swine plague of the 
government and the German Schweine-seuche. On the other 
hand, all attempts on the part of the government investigators to 
produce the German Schweine-seuche by subcutaneous inocula- 
