), a tributary of the Rhine, having its sources not far from those of the Danube, and discharging itself into the Rhine in the neighbourhood of Manheim.
Its course forms a sort of semicircle, as it first flows in a north-eastern and afterwards in a north-western direction. The Nicer is not mentioned until a late period of the Roman Empire. In A.D. 319, the emperor Valentinian had to make great efforts in turning some part of the [p. 2.425]
river into a new channel for the purpose of protecting the walls of a fort erected on its banks from being undermined and washed away by its waters. (Amm. Marc. 28.2
; Vopisc. Prob.
13, where it is called Niger; Auson. Mosell.
423 ; Sidon. Apollin. Paneg. ad Avit.
324; Eumen. Paneg. Const.
13; Symmach. Laud. in Valent.
The remains of Roman antiquities on the banks of the Nicer are very numerous, and a few of its tributaries, such as the Armisia (Erms
) and Murra (Murr
), are mentioned in inscriptions found in the country.