Each circle he followed visually as far as he could, and then aurally, his hopes arising and falling as the whistling of the wings sounded near or far.
"The Adventures of Bobby Orde"
Stewart Edward White
He could hear them aurally now, but he kept watching them, esper-fashion.
"The Legion of Lazarus"
Edmond Hamilton
When yet half a block away from the market one became aurally aware of it.
"Jungle Peace"
William Beebe