. The Conchologists' exchange. Mollusks. THE NAUTILUS. 129 Periphery carinate, umbilicus narrow carinatut. Periphery obtusely angled, umbilicus wider. . umbilicatut. Spirally striate, periphery carinate tantillus. No spiral striae, periphery rounded tmithii. VITREA LEWISIANA N. SP. BY GEO. H. CLAPP. Shell small, depressed widely, perspectively umbilicate, all whorls showing to the apex, umbilicus contained about five times in the diameter of the shell; yellowish-white, translucent, the inner whorls. Upper figures, Vitrea lewiaiana Clapp. Type, x8. Lower figures, " dalliana ' Simpson' Pils
. The Conchologists' exchange. Mollusks. THE NAUTILUS. 129 Periphery carinate, umbilicus narrow carinatut. Periphery obtusely angled, umbilicus wider. . umbilicatut. Spirally striate, periphery carinate tantillus. No spiral striae, periphery rounded tmithii. VITREA LEWISIANA N. SP. BY GEO. H. CLAPP. Shell small, depressed widely, perspectively umbilicate, all whorls showing to the apex, umbilicus contained about five times in the diameter of the shell; yellowish-white, translucent, the inner whorls. Upper figures, Vitrea lewiaiana Clapp. Type, x8. Lower figures, " dalliana ' Simpson' Pils. x8. Miami, Fla. showing through the body of the shell, highly polished; the delicate growth lines are very regularly spaced and close together, smooth below. Spire much flattened ; sutures well impressed, margined ; whorls 3^, slightly convex, the last wide. Aperture oblong-lunate, depressed above, lower margin parallel with the base, lip simple. Gr. diam. 3^, lesser , alt. 1^ mm. Type from Monte Sano, near Huntsville, Ala., also found at Wetumpka and Gurley, Ala., so probably extends over the whole eastern part of the state. Rare. Collected by Herbert H. 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 Averell, William D. Philadelphia, Wm. D. Averell
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmollusks, bookyear188
