Complex sentence: Under Pigot "Hermione" destroyed three privateers at Puerto Rico on 22 March 1797 and on 6 September 1797 and in company with and she captured a 6-gun Spanish privateer.
Split into simpler sentences: Under Pigot "Hermione" destroyed three privateers at Puerto Rico on 22 March 1797. On 6 September 1797 and in company with and she captured a 6-gun Spanish privateer.