Then it was that the lust of the chase would suddenly come upon him, and that his brilliant reasoning power would rise to the level of intuition, until those who were unacquainted with his methods would look askance at him as on a man whose knowledge was not that of other mortals.
There are no more uses of "askance" in the book.
Show samples from other sources
He looked askance at the offer.
But the snail replied "Too far, too far!" and gave a look askance— Said he thanked the whiting kindly, but he would not join the dance.