RESEARCH IN CHINA. PLATE XXXIl. 


B 
A. Five miles west of the village of Wu-t’ai-shan, atlas sheet D I, pass across main Wu-t’ai range, altitude 7,650 feet. General view looking 
north, showing modified surface derived from that of the Pei-t’ai stage. The mantle of saplite which formerly covered the fresh rocks 
has been largely removed, chiefly by wind, and residual fragments are scattered about the surface. The pagoda is said to have been built 

during the reign of Ta-ming, about 500 years ago. 
B. Summit of Nan-t’ai, atlas sheet D I, altitude 8,100 feet, View looking west over Wu-t’ai range, showing general approach of the surface, 
which is eroded across inclined strata of Wu-tai schists, to the ancient Pei-t’ai peneplain, 
