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JAMA. 1914;LXII(15):1156-1160. doi:10.1001/jama.1914.02560400024009.
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In 1898 Schenck1 published a report of his studies of an organism that he had discovered in the pus from refractory subcutaneous abscesses of the arm. The patient nail, causing a small abscess which was opened. In three weeks an ulcer developed on the back of the hand between the second and third metacarpophalangeal joints. The inflammation traveled up the arm and several abscesses formed.

From two different foci of the disease Schenck obtained and cultivated an organism the characteristics of which were similar to those of many of the yeasts and fungi. Dr. Erwin F. Smith of the U. S. Department of Agriculture tentatively assigned it to the genus Sporotrichum.

The pathogenicity of the organism was demonstrated by subcutaneous injections in dogs. Nodules developed containing yellowish-red gelatinous material, and cultures from this and the walls of the abscess gave the characteristic growth of the organism. Inoculation of a


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