New York, June 23, 1896.
To the Editor:
—I inclose a letter just received from Dr. Wm. Havelburg, the Director of the Bacteriologic Laboratory, Hospital dos Lazaros, Rio Janeiro, Brazil, which will be of interest to American dermatologists.Yours truly,Albert S. Ashmead."Rio de Janeiro, May 26, 1896.
"Dear Dr. Ashmead:
—I take for granted that you are conversant with the German language, in which I can express myself so much more easily. Accept my best thanks for your many different messages, either of a literary or other character, and I beg you will excuse me for not having rendered my thanks to you before, as I have been prevented by very sad private occurrences."Your different publications have interested me very much. In regard to the modern way of doctors concerning serum-therapy, I am thoroughly skeptical. Perhaps diphtheria has, for some time been your field; in regard to