Paine, Dundas, and Onslow. Two letters to Mr. Henry Dundas, one of His Majesty's principal secretaries of State, and Treasurer of the Navy. I. In answer to his speech on the late excellent proclamation. II. On the illegal treatment of Mr. Paine, at Dover, in his way to the Convention at Paris. Also, two letters to Lord Onslow, Lord Lieutenant ofthe county of Surry