[108] Tac. Ann. xi. 2.

[109] Dion Cassius mentions that the ceilings of Halls of Justice in the Palatine were painted by Severus to represent the starry sky. The old Roman practice was for the magistrate to sit under the open sky, which probably suggested this kind of ceiling.

[110] Ann, iv. 54.

[111] Tac. Ann. xiii. 18; Suet. Ner. 33; Dion. lxi. 7.

[112] See Gibbon, i. 133.

[113] Tacitus, Hist. i. 77; Suet. Vitell. 15.

[114] Merivale, ch. xlv.

[115] Suet. Cal. 22.

[116] Suet. Claud. 10. "Prorepsit ad solarium proximum, interque prætenta foribus vela se abdidit." The solarium was the external terraced portico, and this still remains.

[117] Tac. Ann. xi. 37, 38; Dion. lx. 31; Suet. Claud. 39.