Higayon selah The Commemoration and Exaltation Of Mercy. Delivered In A Sermon Preached to the Honourable, the House of Commons, at Margarets Westminster, Novemb.5.1646. Being the day of their publike thanksgiving, for that eminent and Ancient Mercy, the De- liverance of them, and the whole Kingdome in them, from the Popish and Hellish Conspi- racy of the Powder Treason