198 
W. C. HANAWALT. 
A careful experiment, which was conducted on a rather large 
scale by the Experiment Station several years ago, demonstrated 
quite fully that the tuberculin test was practically without effect 
upon dairy cows in full flow of milk, or upon fattening steers ; 
and the effect upon tuberculous cattle was favorable rather than 
otherwise. 
I wish to suggest a conference committee, consisting of five 
representative breeders of the State Agricultural Society and 
Stock Breeders’ Association, to confer with representatives of 
the State Board of Health and Experiment Station. Let repre¬ 
sentatives of these two societies be experienced breeders, men 
who are personally and financially interested in a proper and 
safe solution of the problem. 
What will Minnesota do ? What is the wish of the stock- 
men of Minnesota concerning this great problem? Is it worth 
our serious consideration ? What will we do about it ? 
CHROMIC ACID. 
By W. C. Hanawalt, V. S. 
Read before Illinois State Veterina y Medical Association, February 21, 1900. 
Mr. President and Brother Doctors: Believing that chromic 
acid is a more important drug than most people deem it to be, 
and also believing that our materia medica does not give the 
remedy the amount of attention it deserves, is my excuse for 
writing this article. 
Finlay Dun gave it about one and one-half inches of 
space, which would lead one to suppose its importance about 
the same. 
The sixteenth edition of the U. S. P. gives the best therapy 
of the agent that I have seen in print and to it I would respect¬ 
fully refer you as to its medicinal uses. The uses to which I 
shall call your attention are those to which I myself have used 
it successfully in practice. 
During the summer of 1890 I was called to treat a four- 
vear-old gray filly for fistula. The animal was very weak and 
