Signed, Il Duca di Salandra, Captain-General of the Forces of his Majesty the King of the Two Sicilies. Thomas Troubridge, of his Britannic Majesty's ship Culloden, and Commander of the British and Portuguese troops at the attack of St. Elmo. Chevalier Belle, Captain-Lieutenant, commanding the troops of his Imperial Russian Majesty at the attack of St. Elmo. Jh. Mejau, commanding Fort St. Elmo. _Return of Killed and Wounded at the Siege of the Castle of St. Elmo._ Marine forces landed from the squadron--John Hickman, private, of the Vanguard, killed; Daniel Elliott, Christopher Calonie, privates of ditto, wounded. Serjeant Morgan, of the Foudroyant, Thomas Jones, and Benjamin Cole, privates of ditto, wounded. Royal Artillery--Lieutenant Millbank killed. T. Strickland, Lieutenant-Colonel of the Marine Forces. Swiss Regiment--Two officers, seven privates, killed; nine privates wounded. Albanese Volunteers--Four privates wounded. Russians--One officer, three rank and file, killed; one officer, three rank and file, wounded. Calabrese Regiment--One officer, twenty-one rank and file, killed; four officers, sixty-four rank and file, wounded. Total--Five officers, thirty-two rank and file, killed; five officers, seventy-nine rank and file, wounded. Foudroyant, Naples Bay, 13th July 1799. The Castle of St. Elmo, at the time of it's surrender, had no want of ammunition or provisions: of the former, besides abundance of shot, shells, grenades, cartridges, &c. they had twenty-five thousand pounds of powder; and, of the latter, with eighteen oxen, upwards of three hundred barrels of salt beef and pork, nearly three thousand quintals of wheat, a hundred and fifty-eight of biscuit, two thousand one hundred and sixty-seven of flour, and numerous other articles of food in proportion, they had fifty thousand pints of wine, and six thousand of brandy. Lord Nelson, immediately on receiving these dispatches from Captain Troubridge, wrote the following official letter to Lord Keith. "Foudroyant, Naples Bay, 13th July 1799. "MY LORD,