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Show Japanese Pearl-Oyster Farm. Japan has a pearl-oyster farm. IJ the Bay of Ago there has been established estab-lished a plantation from which a rici harvest Is obtained. In May or June stones welghial from six . to eight pounds are sunk l shallow water, and In August the tin shells begin to appear on them. Tin stones remain in for two months, btf since the young oysters cannot endun cold, in November all rocks in lea than five feet of water are moved farther far-ther out, where the temperature U more even. At the end of three year when the shells are about two lncha across, they are taken from the water, nuclei for pearls inserted in them aw replaced In the water, 30 of them to every six square feet of bottom. There they are left for four year Then, being seven and a half years old, they are removed and searched W pearls. |