Chicago, Ill., March 2, 1898.
To the Editor:
—I have just read the paragraph entitled "The New York City Board of Health" that appeared on page 506 of your issue of February 26.Permit me to point out that ever since January, 1895, diphtheria antitoxin... could have been purchased in New York City at a cost never exceeding $2 per vial of 10 c.c., representing 1500 units, or approximately $6 per ounce. The pretension, therefore, of the Board of Health, that the cost of diphtheria antitoxin at the drug store was $12 per ounce, and therefore excessive, is absolutely without foundation. Please note that diphtheria antitoxin... is recognized all over the country as a standard product. Practically none has been sold for consumption in New York City itself owing to the competition of the Board of Health. But that does not alter the fact that our diphtheria antitoxin has always