Twice, at the request of Hadrian and Leo, he appeared at Rome, — longa tunica et chlamyde amictus, et calceamentis quoque Romano more formatis. Eginhard (c. xxiii. p. 109 - 113) describes, like Suetonius the simplicity of his dress, so popular in the nation, that when Charles the Bald returned to France in a foreign habit, the patriotic dogs barked at the apostate (Gaillard, Vie de Charlemagne , tom. iv. p. 109.).