Statistics for occurrence #1 of “Rhine” in book 8, card 672 of P. Vergilius Maro, Aeneid:
...n showed
ungirdled Afric chiefs and Nomads bold,
Gelonian bowmen, men of Caria,
and Leleges. Euphrates seemed to flow
with humbler wave; the world's remotest men,
Morini came, with double-horned Rhine ,
and Dahae, little wont to bend the knee,
and swift Araxes, for a bridge too proud.
...