19.1
After he had established the council of the Areiopagus, consisting of those who had been archons year by year (and he himself was a member of this body since he had been archon), he observed that the common people were uneasy and bold in consequence of their release from debt, and therefore established another council besides, consisting of four hundred men, one hundred chosen from each of the four tribes.Cf. Aristot. Const. Ath. 8.4. These were to deliberate on public matters before the people did, and were not to allow any matter to come before the popular assembly without such previous deliberation.
19.2
Then he made the upper council a general overseer in the state, and guardian of the laws, thinking that the city with its two councils, riding as it were at double anchor, would be less tossed by the surges, and would keep its populace in greater quiet.
19.2
Now most writers say that the council of the Areiopagus, as I have stated, was established by Solon. And their view seems to be strongly supported by the fact that Draco nowhere makes any mention whatsoever of Areiopagites, but always addresses himself to the ephetai in cases of homicide.