THE GEOLOGICAL SURVEY OF CHINA 



IN COOPERATION WITH 



THE NATIONAL"RESEARCH INSTITUTE OF GEOLOGY OF THE 



ACADEMIA SINICA. 



THE SECTION OF GEOLOGY OF THE NATIONAL ACADEMY OF PEIPING, 



THE GEOLOGICAL DEPARTMENT OF THE NATIONAL 



UNIVERSITY OF PEKING, 



THE GEOLOGICAL SURVEY OF KWANGTUNG AND KWANGSI. AND 



THE GEOLOGICAL SURVEY OF HUNAN. 



palaeontoloQfa Sinica 



Board of Editors: 



V. K. TING (CHAIRMAN), T. C. CHOW (SECRETARY), 



A. W. GRABAU, J. S. LEE, Y. C. SUN, C. C. YOUNG, T. H. YIN. 



>3fasctclc 3. 



By 

 M. S. CHANG M. A. 



WITH II PLATES AND 3 TEXT-FIGURES. 



Publisljed b^ tlje Qeolo^ifal §urOe^ of ^Ijina 



PEIPING (PEKING) 1934 



For Sale at the Following Offices :_ 



Peiping: Geol. Sury, Library, 9 Ping Ma Sze. West City; French Bookstore, Grand Hotel 

 de Pekin; Shanghai: Kelly & Walsh, Ltd, 12 Nanking Road; London: Edward Gold-^ 

 stpn, 25 Museum St. (W. C. 1) ; New York: A! G. Seiler & Co., 1224 Amsterdam Ave; G. 

 E. Stechert& Co , 31-33 East 10th Street; Leipzig: Max Weg, Konigstrasse 3: Buch- 

 handlung Gustav Pods. Postschliessfach 100 Tokyo: Maruzen Company, 



