In studying the Carboniferous stratigraphy, one is always struck by the fact that those Namurian and Westphalian plants, abundant in other Arcto-
H. C. SZE, KOUTA CHAN.1942. On the Occurrence of Neuropteris gigantea Sternb. in Kiangsi[J]. Acta Geologica Sinica(),22(Z2):195-202