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The shellfish Meleagrina, that womb for pearls whose valves are nearly equal in size, has the shape of a round shell with thick walls and a very rough exterior. Some of these shells were furrowed with flaky, greenish bands that radiated down from the top. These were the young oysters. The others had rugged black surfaces, measured up to fifteen centimeters in width, and were ten or more years old.
"Are mussels included too?" the Canadian asked. "Yes! The mussels of certain streams in Scotland, Wales, Ireland, Saxony, Bohemia, and France." "Good!" the Canadian replied. "From now on we'll pay closer attention to 'em." "But," I went on, "for secreting pearls, the ideal mollusk is the pearl oyster Meleagrina margaritifera, that valuable shellfish.
"Yes, mussels of certain waters in Scotland, Wales, Ireland, Saxony, Bohemia, and France." "Good! For the future I shall pay attention," replied the Canadian. "But," I continued, "the particular mollusc which secretes the pearl is the pearl-oyster, the meleagrina margaritiferct, that precious pintadine.
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