There were no lights in the frontage before which stood her cab, which intervened between the Brocken haze in the street, throwing a square of stygian shadow against the fog, with right and left angles of aureola.
"The Voice in the Fog"
Harold MacGrath
And in that time of stygian gloom violence was done swiftly, surely, and without mercy; with pity, yes, and with regret.
"Alias The Lone Wolf"
Louis Joseph Vance
Even when his shade passed across the dark stygian river, it stooped over the side of the boat that it might try to catch a glimpse of the beloved one in the inky waters.
"A Book of Myths"
Jean Lang