. Conchologia cestrica. The molluscous animals and their shells, of Chester county, Pa. Mollusks. CONCHOLOGIA CESTRICA. 89 U. ochraceus, Say, Nich. Encyc, ist Amer. Ed., 1816. TT. ochraceus. Fig, Shell, thin, thicker anteriorly, translucent, pale yel- lowish, or reddish ; radiate with dull green, and with minute wrinkled radii, most observable on the posterior slope; sub-ovate, hinge margin rectilinear, anterior and lower, rounded, posterior oblique-truncate, angular; beaks undulated; within bluish ; cardinal teeth double, much compressed, almost horizontal. H, 2, W. , T. , inches.
. Conchologia cestrica. The molluscous animals and their shells, of Chester county, Pa. Mollusks. CONCHOLOGIA CESTRICA. 89 U. ochraceus, Say, Nich. Encyc, ist Amer. Ed., 1816. TT. ochraceus. Fig, Shell, thin, thicker anteriorly, translucent, pale yel- lowish, or reddish ; radiate with dull green, and with minute wrinkled radii, most observable on the posterior slope; sub-ovate, hinge margin rectilinear, anterior and lower, rounded, posterior oblique-truncate, angular; beaks undulated; within bluish ; cardinal teeth double, much compressed, almost horizontal. H, 2, W. , T. , inches. Station, with the preceding. U. Tappanianus, Lea, Tr. Amer. Ph. Soct., VI., 1817. U. Tnppnuiniius. 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
