S20 
JAMES LAW 
cause the advocates of temporizing - measures prevailed. Finally, 
in 1891 to the existing measures for slaughter and disin¬ 
fection there was added the prohibition of movement of cattle 
in all infected districts, and the disease was wiped out. Profes¬ 
sor Brown, director of the veterinary department, in his report 
for 1893 draws attention to this final and effective restriction 
which had crowned all previous efforts with the long-wished-for 
success, and how the same measure had been equally successful 
in regard to foot and mouth disease and ovine smallpox. 
Into America the lung plague of cattle was imported in 
1848, and spread from its first center in Brooklyn to Connecticut 
and south as far as Virginia, and finally into several herds in the 
Mississippi Valley, and into the very center of our cattle traffic 
in Chicago. In 1887 the most rigid control of the infected 
area in Illinois was instituted, and in three months the last acute 
case of the disease had been reached, and the infection was 
wiped out in the West. Immediately the same system was put 
in force in the infected States in the East, and by 1892 the 
continent was pronounced clear of the plague. 
All this had been done in the face of the most violent abuse 
and denunciation, such as had previously opposed the same 
measures in England, but those who were the most violent in 
their attacks are to-day the most forward to recognize the bene¬ 
fit secured, and to pledge their support in any future effort of 
the same kind. 
All over the world the experience has been the same. The 
central countries of Europe, while temporized which animal 
plagues, preserved them in their midst, While those which, like 
Switzerland, Holstein, Denmark, Oldenburg, Norway and Swe¬ 
den, sought, by rigid and systematic measures, to extinguish the 
last germ of contagion in the herds, made and kept their herds 
sound. 
It is not contended that the parallel is exact, because 
tuberculosis cannot be thus completely and speedily eradicated 
from the land, for the reason that man himself harbors the 
infection ; but this does not alter the general principle that in 
