. Conchologia cestrica. The molluscous animals and their shells, of Chester county, Pa. Mollusks. 54 CONCHOLOGIA CESTRICA, Sub-genus ACICULA, Risso, 1826. of jLcicula, enlaryed, — [Reeve.] Fig. Shell slender, elongate, turreted, imperforate, thin, polished; whorls 6 or 7, the last rounded at base; columella slightly twisted, truncated at base, aperture oblong, peristome simple, acute. A. acicula, Muller. Buccinum acicula, Miill., Hist. Verm,, II., , enlarged. I77A. [b: & b.] I'ig- 97. Shell very delicate, transparent, bluish- white, cylindrical; whorls 7, the last on
. Conchologia cestrica. The molluscous animals and their shells, of Chester county, Pa. Mollusks. 54 CONCHOLOGIA CESTRICA, Sub-genus ACICULA, Risso, 1826. of jLcicula, enlaryed, — [Reeve.] Fig. Shell slender, elongate, turreted, imperforate, thin, polished; whorls 6 or 7, the last rounded at base; columella slightly twisted, truncated at base, aperture oblong, peristome simple, acute. A. acicula, Muller. Buccinum acicula, Miill., Hist. Verm,, II., , enlarged. I77A. [b: & b.] I'ig- 97. Shell very delicate, transparent, bluish- white, cylindrical; whorls 7, the last one more than half the whole length; aperture oblong-ovate. H. 5, W. i^, mill. Station, green-houses, and nurseries. New Garden, Chester County ; rare. Obs. — An exotic species, sometimes imported with nursery and green-house plants. Sub-genus LEUCOCHILA, Albers, et Martiens, i860. Animal of I^eticochila peutodon. Fig. 98. Shell cylindrical-ovate, rather obtuse, shining, pel- lucid ; whorls G—j ; aperture semi-oval, mostly narrowed, by folds ; peristome thickened, and reflexed. Animal, with four distinct 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
