Duperré returned, bringing with him, besides his own three vessels previously named, two Indiamen, the Windham and the Ceylon, captured in the Indian waters. As he approached the island on the 20th July, Duperré noticed the Tricolor still flying on the staff of the small fort in the isle de la Passe. With it likewise was a signal advising him that "the enemy was cruising at the Coin de Mire." A three-masted vessel, also flying the Tricolor, was likewise discerned lying at anchor under the walls of the fort. Deceived by these appearances, Duperré signalled to his squadron to make the best of their way to Grand Port, directing the sloop Victor to take the lead closely followed by the Minerve, each in passing to communicate with the three-masted vessel lying off de la Passe. The Victor sailed on without the smallest suspicion, till, as she was doubling the fort, she received at once broadsides from the strange ship and from the battery on shore; these simultaneously hoisting English colours. The surprise of every one on board the French ships may be conceived. But Duperré was equal to the occasion. Signalling to his ships to keep close to windward, he made his way into the harbour and anchored in a very advantageous position, admitting of constant communication with the shore. In this operation he had, however, the bad fortune to lose one of his prizes, the Windham, owing to the indecision displayed by the officer in charge of her.
Notwithstanding the advantageous position taken up by the French commodore, Captain Pym of the Sirius,
