Baltimore, Oct. 30, 1908.
To the Editor:
—The Journal, October 24, refers to Dr. S. Weir Mitchell's request for information concerning the effect of certain diseases on epilepsy.In "Epilepsy and Its Treatment" (W. B. Saunders Co., 925 Walnut St., Philadelphia), pages 387-388, will be found data on this point under the heading, "The Influence of Concurrent Diseases on Epilepsy." Mention is made of several diseases, including malarial fever, typhoid fever, erysipelas and diphtheria, the influence of which on epileptic attacks was apparently marked. Since that book was issued, other instances have come to my attention in which an internal disease arising in an epileptic checked the manifestations of that disease completely for longer or shorter periods. In some cases, when pulmonary tuberculosis arose, and the disease was active from the outset, the attacks of epilepsy did not recur at all for more than three years. Scarlet fever will