by the bye

By-the-bye, I hope you intend to stay some time, and that you will take up your quarters with me?

I don't think you've grown much, Francie—and oh, by-the-bye, I believe there's a tuck that could be let down.'

One invariable mark of Arab blood, by-the-bye, is a high and graceful carriage of the tail.

By-the-bye, though, I ought to be as much surprised to see you.

She had fought a very desperate and gallant action, which, by-the-bye, I have never seen recorded in any naval history.