This article was suggested by an inquiry from Dr. J. G. Andersson who approached me one day, in the summer of 1917, with the question whether there were any references in Chinese historical records to indicate
H. T. CHANG. Geological Survey of China.1926. ON THE QUESTION OF THE EXISTENCE OF ELEPHANTS AND RHINOCEROS IN NORTH CHINA IN HISTORICAL TIMES[J]. Acta Geologica Sinica(),5(2):