. Conchologia cestrica. The molluscous animals and their shells, of Chester county, Pa. Mollusks. Shell sub-globose, or orbiculate-depressed ; umbilicus open, or covered; thin, finely striate, or decussate, sculptured; whorls 5 or 6, regular, aperture rounded, or lunate, sometimes with a parietal tooth ; peristome broadly reflected, white, margin rarely unidentate. M. albolabris, Say. Helix albolabris, Say, Nich. Encyc, Amer. Ed., 1817. M. nlhoUihvis. — [B. & B] Fig. 15. fTaw of ]il. (tlholahi'is. — [ Fig. Please note that these images are extracted from scanned page images tha
. Conchologia cestrica. The molluscous animals and their shells, of Chester county, Pa. Mollusks. Shell sub-globose, or orbiculate-depressed ; umbilicus open, or covered; thin, finely striate, or decussate, sculptured; whorls 5 or 6, regular, aperture rounded, or lunate, sometimes with a parietal tooth ; peristome broadly reflected, white, margin rarely unidentate. M. albolabris, Say. Helix albolabris, Say, Nich. Encyc, Amer. Ed., 1817. M. nlhoUihvis. — [B. & B] Fig. 15. fTaw of ]il. (tlholahi'is. — [ Fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hartman, William Dell, 1817-1899; Michener, Ezra, 1794-1887. Philadelphia, Claxton, Remsen & Haffelfinger
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectmollusks, bookyear187
