Myrmidon, 1813
Type: 6th ; Armament 20
Launched : 1813 ; Disposal date or year : 1823
Notes:

Portsmouth 6 Feb 1815 Arrived from off the Western Islands with dispatches, and is put under quarantine.

Portsmouth 10 Feb 1815 Sailed for Plymouth.

Plymouth 3 Jun 1815 Sailed on a cruise.

Torbay 24 Jul 1815 Arrived in company with the Bellerophon, which has Napoleon Buonaparte, General Bertrand, and others onboard.

Torbay 6 Aug 1815 This afternoon anchored off Berry Head, and at 5 o'clock getting under way again.

11 Aug 1815 Has sailed as a part of the Northumberlands' squadron, for St Helena.

Plymouth 26 Aug 1815 Arrived.

Plymouth 16 Sep 1815 Arrived from a cruise.

25 Jan 1820, detained off River Manna the Portuguese slave vessel St. Salvador, which was sent for adjudication to the British and Portuguese Court of Mixed Commission, Sierra Leone and sentenced to be condemned on 19 Jun 1820.

Sierra Leone 17 Jun 1921 Was expected to refit at Ascension during the rains in the Bight of Biafra.

Jul 1821 has examined 16 vessels in the Bight of Benin which were considered to be capable of carrying slaves.

4 Sep 1821, detained in the River Bonny, Bight of Biafra the Spanish slave vessel Caridad, with 153 slaves on board when detained, which was sent for adjudication to the British and Spanish Mixed Court of Justice, Sierra Leone and sentenced to be condemned on 7 Nov 1821.

7 Sep 1821, detained in the River Bonny, Bight of Biafra the Spanish slave vessel Nueva Virgen, with 140 slaves on board when detained, which was sent for adjudication to the British and Spanish Mixed Court of Justice, Sierra Leone and sentenced to be condemned on 7 Nov 1821.

27 Nov 1821 Is in commission and based off the Coast of Africa.

River Bonny 15 Apr 1922 Officers and men in the ship's boats capture 6 vessels involved in the slave trade here, including the Vigilante, Petite Betsey, L'Ursule, Yeanam,and Becaa and one unnamed.

27 Apr 1822, detained in lat. 4° 31' N. long. 8° 37' E., the Portuguese slave vessel Defensora, with 100 slaves on board when detained, which was sent for adjudication to the British and Portuguese Court of Mixed Commission, Sierra Leone and sentenced to be condemned on 4 Jul 1822.

2 Jun 1822 it is reported that a Spanish slave ship Yeanam, captured in the Bonny by the Iphigenia, with a prize crew of officers and men onboard and 400 slaves, capsized in a tornado in sight of the Myrmidon, with the loss of 2 officers, 16 men and 400 slaves, 7 of the Iphigenia's crew managing to survive on the wreckage of the Yeanam.