Arising in the middle stage of savagery, further developed during its upper stage, the gens reaches its most flourishing period, so far as our sources enable us to judge, during the lower stage of barbarism.

• 氏族在蒙昧时代中级阶段发生，在高级阶段继续发展起来，就我们现有的资料来判断，到了野蛮时代低级阶段，它便达到了全盛时代。