A great plot discovered in the north against the Honorable Houses of Parliament, and His Excellency Sir Thomas Fairfax's army. : VVherein is declared the full proceedings of the royalists, in raising of forces for the opposing of this renowned army. With the manner how they should have surprized six strong castles in Yorkeshire, and the names of the chiefe ringleaders that should have commanded this party. Also, a remarkable passage concerning His Excellency, and his sending down a strong party of horse towards the northern parts. Decemb. 10. Published for general satisfaction, and presented to every respective county throughout the kingdom of England.