RESEARCH IN CHINA. PLATE XVII. 

A. Divide between provinces of Chi-li and Shan-si, 5 miles south of Lung-ts’uan-kuan, looking north, atlas sheet DI, clevation 6,000 feet; 
showing surtace eroded on gneisses of the T’ai-shan complex, and bedded character of ancient crystalline rocks. 
B. Near Si-ta-yang, Chi-li, atlas sheet FI. View of bluffs of Pre-Cambrian Ta-yang limestone along the T’ang-ho. 
