Original Combination:

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Original Description:

Shell cylindrical, slender, thin, transparent, highly polished, reddish-brown, with slight, irregular lines of growth ; whorls 5 1/2, flattened. The last nearly one-third the length ; suture little impressed ; apex very obtuse ; aperture oblong-ovate, widest near base ; peristome scarcely thickened, reddish ; umbilicus closed ; columella perpendicular, meeting base of peristome at something less than a right angle. Foot white almost translucent; head grayish, with short tentacles. Length 7 millimeters. sometimes more ; diameter 2 millimeters. aperture 2 millimeters long. Found in beds of leaves in woods, Kenton County, Kentucky, and Hamilton County Ohio; solitary, rare. It may be viviparous. In the winter it closes its shell with an opaque, white epiphragm, like that of Helix profunda or H. pomatia. Differs in many respects from C. subeylindrica, L. The shell is longer, more slender, more cylindrical, the whorls flatter, the columella straighter, the apex and base more obtuse, the foot lighter, he shell darker and less opaque.