Abstract

The following description deals with a unique genus of small, eyeless ground beetle, a single specimen of which was taken by the author from a tiny cave near Lewisburg, W. Va. Situated in the valley of the Greenbrier River, this cave is in richly cavernous country featuring numerous sink-holes, tunnellike subterranean waterways and passages—caverns in early stages of formation. The author has visited 7 of the many caves known to occur within 20 miles of this spot, but in spite of diligent searches and extensive trapping here and elsewhere, no second representative of the genus has yet been brought to light. Since the habits of this beetle are not sufficiently well known to assure the collector of success in its capture, and because it is such an aberrant form, the author has taken the liberty of presenting it from the material at hand—a single, perfect male specimen.

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