【摘 要】
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The Special Meeting was held jointly with the Peking Society of Natural History, on May 11, 1934, in the lecture room of the Geological Survey Library, in memo
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The Special Meeting was held jointly with the Peking Society of Natural History, on May 11, 1934, in the lecture room of the Geological Survey Library, in memory of Dr. Davidson Black who suddenly died of heart failure in his laboratory in Peiping on March 15, 1934 at the age of 49 years.
The Special Meeting was held jointly with the Peking Society of Natural History, on May 11, 1934, in the lecture room of the Geological Survey Library, in memory of Dr. Davidson Black who suddenly died of heart failure in his laboratory in Peiping on March 15, 1934 at the age of 49 years.
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