During the review of the Ordovician Sections of China and theirrelation to both,the older and younger formations,it has become apparentthat a reclassification
In the course of the past ten years,a constant outpouring of newfacts has continuously improved our views on the Late Cenozoic historyof North China.Hence a co
In the course of my study on the Chihsia Corals from Central China, Mr. Y. T. Chao my collegue of the Geological Survey was so kind as to hand over to me two s