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I collected sixty shells from the New Jersey deposits in 1841, five of which were identical with European species Ostrea larva, O. vesicularis, Gryphaea costata, Pecten quinque-costatus, Belemnitella mucronata. As some of these have the greatest vertical range in Europe, they might be expected more than any others to recur in distant parts of the globe.
Inferior or attached valve. Pecten Beaveri, Sowerby. Reduced to one-third diameter. Lower white chalk and chalk marl. Lima spinosa, Sowerby. Syn. Spondylus spinosus. Ostrea vesicularis. Syn. Gryphaea convexa. Inoceramus Lamarckii. Syn. Catillus Lamarckii. Radiolites Mortoni. Mantell. Houghton, Sussex. White chalk. Diameter one-seventh natural size. The upper or opercular valve is wanting.
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