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EDITORIAL. 
Beginning Volume XX.—Just twenty years ago this 
month the first number of the Review was issued to the 
American veterinary public, the centennial year of the Re¬ 
public. The history of veterinary medicine in this country 
is almost embraced within the pages of the journal during 
those eventful years, and we are reasonably certain that we 
are within the bounds of a truthful assertion when the state¬ 
ment is made that no science nor branch of science has de¬ 
veloped more of its possibilities during that period than has 
veterinary medicine, not even the wonderful unfolding of the 
mysteries of that department of physics which has given us 
the marvels of electricity. Not of such importance to our 
integral life are any of the discoveries of the electrical scien¬ 
tists in comparison with the vital principles and truths made 
certain by the microscope in the vast new field of bacteriol- 
ogy, which has removed the veil of error and superstition 
from the eyes of etiological teachings, given us weapons with 
which to combat the living organism which is known to be 
the direct factor in the production of disease and death. As 
that microbe of disease has flourished and grown in an invit¬ 
ing pabulum in its host, producing and sending through the 
life current of its victim its deadly ptomaines and toxines, so 
has the bacteriologist labored without the body to find an 
anti-toxine which would effectually check the effects of his 
enemy within the living individual. Nor has he been with¬ 
out success; for we have already in common and successful 
use a number of such abortive agents, many of which have 
