90 Field Museum of Natural History — Anth., Vol. X. 



of twelve inches given in the Chou li when recalculated on the foot- 

 measure of that period. The so-called chen kuei, the tablet or symbol 

 of imperial power, was accordingly a hammer-shaped implement of 

 jade. 



O 



Fig. 21. Fig. 22. 



Jade Hammer-Shaped Symbols of Imperial Power, chen kuei. 



