The Roman History · Amm. 22.8.23

After passing by the aforesaid districts, we come to the cave Aulon, and the river of Callichorus, which derives its name from the fact that when Bacchus, having subdued the nations of India in a three years' war, came into those countries, he chose the green and shady banks of this river for the re-establishment of his ancient orgies and dances; and some think that such festivals as these were those called Trieterica.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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