Two letters containing all the proceedings betwixt the Prince, and the E. of Warwick a fight at sea, and a fleet upon the Downes. The submitting of seven ships, and above 100. peece of ordance taken: with a declaration of the revolted ships concerning Prince Rupert, who was made Admirall thereof. Also the heads of the large declaration, and demands of the army, to be debated in Parliament; the King taken into custody; with a letter from the Estates of Scotland, and the last newes of the King and treaty in the Isle of Wight