Several months since Dr. C. E. Hogeboom, of Eau Claire, Wis., sent us a beautiful photograph, life size, of a complete membranous mould of the larynx, trachea and some of the primary bronchi. It was expelled during a severe paroxysm of coughing by a girl 16 years of age, laboring under a severe attack of diphtheritic croup. The following cut correctly represents the photograph:
It is seldom that the membrane, in this class of cases, extends so far downward in the bronchi, or is expelled in so complete a form. The relief following the expulsion of the membrane is reported to have been very great in the above case, but continued for only a few hours, when the dyspnœa again began to increase, and the case terminated fatally within the next twenty-four hours. In a case that came under our own observation several years since, in which a similar membrane