Note 623 — ROME—MIDDLE PERIOD
Reading edition
That is, on those possessed of a certain minimum of property, which was lowered in course of time. Originally reckoned on land only, thus reckoning only those settled on farms (adsidui). See Mommsen Staatsrecht index. The rise in the census numbers between 131 and 125 BC is explained by Greenidge History p 150 as due to the increase of adsidui through effect of Gracchan legislation.