Statistics for occurrence #1 of “Parthia” in book 4, card 281 of P. Vergilius Maro, Georgics:
...there and buzz, a marvel to behold;
And more and more the fleeting breeze they take,
Till, like a shower that pours from summer-clouds,
Forth burst they, or like shafts from quivering string
When Parthia 's flying hosts provoke the fray.
...