de . s . s . faciundum . coeravit . eidemque . probavit; and the other still
partially preserved in one of the rooms of the building (CIL i². 736
=vi. 1133=31597): Q . Lu]tatius . Q . f . Q . n . C[atulus . cos . de . s]en . sent . faciundu[m . coeravit.] eidemque . prob[avit]. The second story
seems to have been added, or at least rebuilt, about the end of the first
century (see below), but nothing else is known of the history of the
building until the reign of Boniface VIII (about 1300 A.D.), when the
present tower at the north end was erected. Later, Michelangelo destroyed the entire upper and western part, and built the present Palazzo
del Senatore directly upon the ancient structure (LS ii. 70).
This building, trapezoidal in shape, occupied all the space between
the clivus Capitolinus on the south-west and the flight of steps (gradus
Monetae ?) which led up past the carcer to the arx on the north-east.
On the forum side the foundation wall began on the level of the area