Dear Sir:
—In the report published in The Journal, of my paper on diphtheria, recently read before the New York County Medical Association, occurs the following: "Dr. Smith thought that the quantity of bichloride that could be safely administered to children of various ages was about as follows: To a child of 2 years, ⅙ grain; 4 years, ¼ grain; 6 years, ⅓ grain; 10 years, ½ grain." The latter sentence as it stands might do much harm, since diphtheria is so prevalent that physicians are anxiously inquiring how it shall be treated, and the sublimate in an over dose may be more fatal than the disease for which it is prescribed. What I did say was that I thought that the above were about the quantities that should be given in divided doses, in ordinary cases, in twenty-four hours, and I repeated this with emphasis, in order that