Since the first description of blastomycetic dermatitis, in 1894, a great number of dermal and systemic cases have been reported, so that the condition is now generally recognized, and further reports of such cases would be mere repetition and scarcely warranted. However, in reviewing the literature, we could find but few cases in which the disease was localized in some viscera or bony structure. In 1907, Brewer and Wood1reported a case of blastomycosis of the spine, in the region of the third dorsal vertebra, without any other manifestation of the disease. Campbell,2in 1909, studied a case of blastomycotic osteomyelitis of the right tibia, following a lesion on the skin of the ankle, but having no symptoms referable to the lungs or other organs. Denis,3in 1918, reported a case of primary blastomycosis of the larynx, which remained localized for several months, but did not respond