"Where," asked he, with a look askance at them—for it was the clergyman’s peculiarity that he seldom, now-a-days, looked straight forth at any object, whether human or inanimate, "where, my kind doctor, did you gather those herbs, with such a dark, flabby leaf?"
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.