＜正＞ On April first about sixty scientists in the fields of vertebrate paleontology and related sciences gathered in the lecture hall of the IVPP building to celebrate the 10th anniversary of the Institute. Since its founding in 1929 the Institute had been operating in connection, first, with the former Geological Survey of China, and later with the Paleontological Institute, Nanking. Since April of 1953 it has been an independent in-
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