IMMUNOCHEMICAL STUDIES OF ANTITOXIN PRODUCED IN NORMAL AND ALLERGIC INDIVIDUALS HYPERIMMUNIZED WITH DIPHTHERIA TOXOID : I. RELATIONSHIP OF SKIN SENSITIVITY TO PURIFIED DIPHTHERIA TOXOID TO THE PRESENCE OF CIRCULATING, NON-PRECIPITATING ANTITOXIN

In Vol. 95, No. 4, April 1, 1952, the following sentence should be inserted in the paper by Drs. Kuhns and Pappenheimer on page 365, in the fifth line from the bottom:—

The high antitoxin titer found at this time is explained by the fact that the boy had already received an earlier "booster" dose of toxoid a few months previously.