...foot. SHELL depressed ; epidermis yellowish horn-color, smooth, shining, with very minute lines not breaking the smoothness of the surface ; whorls five...rather flattened, indented in the centre. Greatest diameter less than three-fourths of an inch. GEOGRAPHICAL DISTRIBUTION. Inhabits the Northern, North-eastern,...

...foot. SHELL depressed ; epidermis yellowish horn-color, smooth, shining, with very minute lines not breaking the smoothness of the surface ; whorls five...distant from the margin ; lip thin, acute, fragile, its HELICID^E lower part reaching to the centre of the base ; umbilicus small ; base rather flattened,...

...whirls five ; satare not much impressed ; aperture transverse, scarcely oblique, obliqui-ly-lunar, with a thick, white, testaceous deposit around its...whole inner surface, a little distant from the margin ; peristome thin, acnte, fragile, its ends somewhat converging, the columellar margin reaching to the...

...; whirls five ; suture not murh impressed ; aperture transverse, scarcely oblique, obliquely-lunar, with a thick, white, testaceous deposit around its...whole inner surface, a little distant from the margin ; peristome thin, acute, fragile, its ends somewhat converging, the colnmel>.•>.!• margin reaching...

...five ; suture not much impressed ; Flg n2' aperture transverse, scarcely oblique, obliquely lunar, with a thick, white, testaceous deposit around its...whole inner surface, a little distant from the margin ; pcristome thin, acute, fragile, its ends somewhat converging, the columcllar margin reaching to the...

...surface; whorls 5; suture not much impressed; aperture transverse, scarcely oblique, obliquely lunar, with a thick, white testaceous deposit around its...whole inner surface, a little distant from the margin ; peristome thiu, acute, fragile, its ends somewhat converging, the columellar margin reaching to the...

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...minutely striulate, suture not much impressed; whorls 5, aperture transverse, obliquely lunar, with a white testaceous deposit around its whole inner surface, a little distant from the margin, base rather flattened, indented in the centre. Diam. Hi mill. W. New England States, W. Ptnna. to Illinois,...

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...surface; whorls five; suture not much impressed; aperture transverse, scarcely oblique, obliquely lunar, with a thick, white testaceous deposit around its...whole inner surface, a little distant from the margin; peristome thin, acute, fragile, its ends somewhat converging, the columellar margin reaching to the...