I. A large building in Rome in the twelfth region, prob. seven stories in height, Suet. Tit. 2 init.—
II. A monument of the emperor Septimius Severus, in the tenth region, Spart. Sev. 19; 35.—
III. A building of M. Aurelius Antoninus, Amm. 15, 7, 3 (others consider II. and III. to have been the same building).—
IV. The seven planets, Commod. 7 and 19.