must be selected within the gens and his office was in a sense hereditary. It had to be filled immediately after a vacancy occurred. The chief could be selected outside of the gens, and his office could even be temporarily vacant. The son never followed his father in the office of sachem, because the Iroquois observed maternal law, in consequence of which the son belonged to another gens. But the brother or the son of a sister was often elected as a successor. Men and women both voted in elections. The election, however, had to be confirmed by the other seven gentes, and then only the sachem-elect was solemnly invested, by the common council of the whole Iroquois federation. The significance of this will be seen later. The power of the sachem within the tribe was of a paternal, purely moral nature. He had no means of coercion at his command. He was besides by virtue of his office a member of the tribal council of the Senecas and of the federal council of the whole Iroquois nation. The Chief had the right to command only in times of war.
2. The gens can retire the sachem and the chief at will. This again is done by men and women jointly. The retired men are considered simple warriors and private persons like all others. The tribal council, by the way, can also retire the sachems, even against the will of the tribe.
3. No member is permitted to marry within the gens. This is the fundamental rule of the gens, the tie that holds it together. It is the negative expression of the very positive blood relationship, by virtue of which the individuals belonging to it become a gens. By the discovery of this simple fact Morgan for the first time revealed the nature of the gens. How little the gens had been understood before him is proven by former reports on savages and barbarians, in which the different organizations of which