On "Shi Wu"、"Sui Wu" and "Yue Wu" on the Sun-Wu Bamboo-slips of Zoumalou

There are lots of records about "Shi Wu"、"Sui Wu"and"Yue Wu"on the Wu Bamboo-slips of Zoumalou.In this paper,the author thinks that they are household registration identities."Shi Wu" is hereditary,but only for the males in the family,who may change the identity through special channels such as being given titles or rendering meritorious services."Sui Wu"and"Yue Wu" may be related to "Geng" in the literature,"Sui Wu" means the men who guard the frontier and are replaced every year.They must use this household registration after they returned their home with their work finished."Yue Wu" means the men who work for counties and are replaced every month.$$$$