Smithsonian Report, 1940. — Bishop 



1 £ 



Plate lo 



1. Old Chinese Cannon (The large "Bombard" in Foreground), Bearing 

 A Date (in Chinese) Corresponding to a. D. 1378. 



2. street scene in T'ung Kuan, the Chinese Gibraltar: the hill in the 

 Background Has been almost Impregnable to assault. 



