a foot bridge built by Caligula over the temple of Augustus
and across the valley between the Palatine and Capitoline, to connect
his own palace with the temple of Jupiter Capitolinus (Suet. Cal. 22).
This was removed after his death, and nothing is known of its size or
appearance (HJ 85; LR 125 ; Pagan and Christian Rome 101-102; Mitt.
; see DOMUS TIBERIANA