The following paragraphs are the harvest of a geological investigation madeduring the spring of 1939 in the province of Kueichow comprising Kueiyang,Lungli, Kuanling and Tsungyi districts (Fig. I). The author is much indebted to Dr. S. S. Yoh for his indication of someof the fossil localities mentioned in this paper and to Dr. T. K. Huang for hiscareful reading of the manuscript and valuable criticism.