. Conchologia cestrica. The molluscous animals and their shells, of Chester county, Pa. Mollusks. I02 CONCHOLOGIA CESTRICA. Shell, solid, trigonal, very oblique; anterior side narrower, produced; posterior broad, subtruncate; beaks small, elevated, distant, with a wing-like appendage at summit; regular-striate ; yellow, gray, chestnut, mixed ; valves, light blue inside; hinge thick ; cardinal teeth small, strong, compressed ; lateral teeth short, strong, oblique. H. 33^, W. 4, T. 2, mill. Station, in company with P. variabile. Pickering Creek, Chester County ; not common. P. virginicum-, Gmeli
. Conchologia cestrica. The molluscous animals and their shells, of Chester county, Pa. Mollusks. I02 CONCHOLOGIA CESTRICA. Shell, solid, trigonal, very oblique; anterior side narrower, produced; posterior broad, subtruncate; beaks small, elevated, distant, with a wing-like appendage at summit; regular-striate ; yellow, gray, chestnut, mixed ; valves, light blue inside; hinge thick ; cardinal teeth small, strong, compressed ; lateral teeth short, strong, oblique. H. 33^, W. 4, T. 2, mill. Station, in company with P. variabile. Pickering Creek, Chester County ; not common. P. virginicum-, Gmelin. Tellina virginica, Gmelin, Syst. Nat., 1788. JP. viff/hiictiin. — [Prime.] Fig. Shell, thick, solid, oblique, anterior side longer, nar- rower, rounded; posterior broader, subtruncate; base rounded; beaks posterior, large, prominent; interior light blue; epidermis greenish-brown; zoned; hinge margin greatly curved; cardinal teeth strong; laterals strong, and short. H. 7, W. 9, T. 5, mill. Station, White Clay and Pickering Creeks, Chester County; abundant. P, variabile, Prime, Bost. Proc, IV., 1851. p. luit'iitbilf. — [Prime.] Pig. 206,. 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
