"Up helm and after her, Mr Adair," he exclaimed.  "It is the very thing I could have wished for; she must be a veritable witch at sailing, if she can beat us before the wind.  But we will set our port studdingsails only, to start with, if you please; for if, as I expect, we have the heels of her, I will haul up a point or two and endeavour to close with her to point-blank range."