During the winter of 1925, E. Licent and G. Barbour collected, along the Sangkan. ho, in the Qnadrula beds of the Sanmen series, a number
P. TEILHARD DE CHARDIN Museum of Hoangho-Peiho, Tientsin.1926. PALAEONTOLOGICAL NOTES[J]. Acta Geologica Sinica,(1):
