Rome, sacred fire, Roma Quadrata, [461];
duality, middle, quadruple government, [463];
numerical divisions, [464];
seven-storied tower, [464];
seven-day period, [465], [466], [467];
summary, in table of countries, [493];
Constantine's plan of state-organization in New Rome identical with the numerical scheme of the Maya and Mexican calendars, [509];
the symbolical use of the column, [513];
amulet, [514];
church built by Constantine in form of Greek Cross, [514].