Gainesville, Fla., July 16, 1896. To the Editor: —In Keating's Cyclopedia of the Diseases of Children, the assertion is made that one-fourth of the infant mortality of London is caused from whooping cough, and from a study of the vital statistics as published in Public Health Reports issued by Supervising Surgeon-General Marine Hospital-Service I believe that the same ratio will hold good in many other cities. Having for a number of years used, with such happy results in this affection, a combination of old and approved remedies, I feel it to be my duty to publish the formula, feeling assured that almost any case can be cured in a week if the remedy be properly used. Where the doctor can not supervise the administration of the medicine and thinks it not advisable to push the drugs to their physiologic effects the length of time necessary for a cure may be