by HMS Yarmouth on 22 January 1778 off Barbadoes. Tyrannicide captured the schooner Good Intent on 22 December and the brig Polly (both out of Newfoundland with cargoes of fish and hoops) and then the snow Swift with a cargo of flour out of Bristol. Tyrannicide left the West Indies on 30 March 1778 and returned to Boston in May. John Allen Hallet Tyrannicide next sailed on 10 July 1778 under the command of John Allen Hallet. On 29 September 1778 she captured the privateer brig Juno. After avoiding damage in a 9 March 1779 gale, she captured the 14-gun privateer Revenge on 31 March at 28° N, 68° W. Revenge mounted fourteen 4 and 6-pounder carriage guns and two swivel guns, and had a crew of 60. Tyrannicide captured two more prizes before returning to Boston on 25 April 1779. John Cathcart John Cathcart assumed command of Tyrannicide on 1 May 1779. She was part of the Penobscot Expedition sailing from Boston on 24 July. With the other ships of the expedition, she was burned at Bangor, Maine, on 14 August 1779 after retreating up the Penobscot River to avoid capture by a superior British fleet. References Allen, Gardner W. A Naval History of the American Revolution Howe, Octavius Thorndyke Beverly Privateers in the American Revolution Notes 1776 ships Massachusetts in the American Revolution History of the United States Navy Maritime incidents in 1779