East coast marine shells : descriptions of shore mollusks together with many living below tide mark, from Maine to Texas inclusive, especially Florida, with more than one thousand drawings and photographs eastcoastmarines00smit Year: 1951 EAST COAST MARINE SHELLS umbones. Length Inches. PI. 27, Fig. 3 Cape Hatteras, North Carolina to Central America GENUS BARNEA 'Leach' Risso 1826 BARNEA TRUNCATA Say. Truncated Angel Wings. Shell white, very delicate, oblong; anteri- or portion triangular and pointed; posteri- or end truncate; surface coarse with lines and small ribs; one dorsal accessor
East coast marine shells : descriptions of shore mollusks together with many living below tide mark, from Maine to Texas inclusive, especially Florida, with more than one thousand drawings and photographs eastcoastmarines00smit Year: 1951 EAST COAST MARINE SHELLS umbones. Length Inches. PI. 27, Fig. 3 Cape Hatteras, North Carolina to Central America GENUS BARNEA 'Leach' Risso 1826 BARNEA TRUNCATA Say. Truncated Angel Wings. Shell white, very delicate, oblong; anteri- or portion triangular and pointed; posteri- or end truncate; surface coarse with lines and small ribs; one dorsal accessory shell plate. Length 3 inches. Animal dark smokj' color, siphon ta- pering. At New Bedford, Massachusetts, this species was taken in mud at a depth of two feet. PI. 25, Fig. 16 Nahant, Massachusetts, to Florida Keys BARNEA MARITIMA Orbigny PI. 27, Fig. 4 West Florida to Texas BARNEA COSTATA Linnfe. Ribbed Shell large, white, covered wi ribs with coarse growth lines tooth-like elevations and corr dentations within shell. Animal yellow, tips of stippled with reddish-brown; f and long; extra valve cartilag spear-shaped. Length 6 inches This species burrows s below the surface. Single val quent upon the beaches of St. Cape Sable and Marco, Florida. PI. 27, Fig. 6 PI. 54, Fig. 7 Cape Cod, Massachusett Indies Length 3b mm. Angel Wings, th radiating producing esponding in- siphons oot narrow inous and everal feet ves are fre- Augustine, s to West GENUS ZIRFAEA 'Leach' Gray 1847 Valves of shell divided into two areas by a radial sulcus; accessory shell plates lacking or rudimentary; gape in front large. ZIRFAEA CRISPATA Linn6. Shell widely gap- ing at the ends but touching at center of the base; radiating toothed ribs present in front of a furrow which extends from the umbones across the center of valves; exte- rior with many coarse concentric ridges. Length 2 inches. Fine specimens have Deen taken at Nahant Beach, Massachusetts, and years age it was common in Charleston Harbor, South
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