Through the intravenous inoculation of soil suspensions in the tail vein of mice, Blastomyces dermatitidis was recovered from a Lexington, Kentucky, soil sample. The positive specimen was collected in a tobacco-stripping barn. The shed had sheltered a dog that died of blastomycosis 2 years before the sample was collected.
During the past several years we have examined, for helminth parasites, more than 700 specimens of wild birds, which represent 14 orders, 40 families, and 134 species. Although the avian hosts came from various localities throughout the southeastern section of the United States, the greater concentrations were collected from State College, Miss. ; Athens and Augusta, Ga. ; Highlands, N. C. ; Reelfoot Lake, Tenn. ; Eagle Lake and Houston, Tex. ; and Mountain Lake, Va.In the present paper only those trematodes belonging to the subfamily Dicrocoeliinae Looss, 1899, that were studied by us personally are considered in detail. We collected the greater part of the material included in this study, although we have been fortunate in obtaining specimens of several of the species from other investigators.F or the loan of specimens of several species from outside the area covered the writers
The ecological niche of Blastomyces dermatitidis has not been established. This paper describes the repeat isolation of this pathogenic fungus from organic debris collected at a natural site and another, previously not reported, isolation. Although the precise environmental source of this pathogen still cannot be defined, each isolation of this fungus from a natural site adds to the understanding of the ecology of this organism.
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