[1.]. Subjects or denizens committing hostilities at sea, &c. against his Majesty’s subjects or giving aid, etc. to enemies at sea, may be tried as pirates;
2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3. Criminals not tried by this Act, may be tried for high treason, by 28 Hen. 8. c. 15.