The Organism in a Case of Blastomycetic Dermatitis

Since the description by Gilchrist,~ in 1894, of blastomycetic dermatitis, and the report by Gilchrist and Stokes$ of the second case, two more instances have been recorded, one by my assistant, It. G. Wells,§ which like the two pre~ious cases resembled lupus vulgaris clinically, and the other and fourth by R. I~tessler.[] The latter's case began as a pimple, which gradually enlarged and formed a small abscess, from the contents of which a blasto~yces was cultivated. After evacuation the abscess healed, but at the time of the report new loci were making their appearance in the neighborhood of the old scar. The only other of the four instances of blastomycosis of the skin, in which the organism has been isolated in pure culture, is that of Gilchrist and Stokes, who record full observations on the cultural, morphological, and