Lieutenant General Prescot will advance, and post the seventieth regiment to cover the new batteries; which done, the captain and sixty men, and subaltern and thirty, posted at and near M. Ragout's house, to be withdrawn, excepting a serjeant and twelve men posted on the height in the rear of that post, which must be continued until further orders. Surgeon's mate William Wood, of the seventieth regiment, is appointed surgeon's mate to the general hospital in the West Indies. The following gentlemen are appointed to act as assistant engineers: Mr. Thomas Hall, Lieutenant Fenton, forty-third regiment, Ensign Snell, fifteenth regiment, Ensign Garroway, king's Carolina regiment, and M. la Granche. _Head Quarters, Camp at Sourier, before Fort Bourbon, March 18, 1794._ The gallant attack of the seamen, headed by Lieutenant Bowen of the Boyne, in boarding the Gabarre, in the carinage of Fort Royal, in open boats, at noon day yesterday, under a shower of grape shot and musquetry from the garrison, taking the captain, lieutenant, and twelve men prisoners, being all there were on board, and even firing some of the guns of the Gabarre against the fort, merits the highest praise and admiration. This gallant transaction the Commander in Chief was a witness of, and takes this opportunity of repeating how perfectly sensible he is of their meritorious services, with those of the navy in general, and of their unwearied exertion in forwarding his majesty's service in every way, and on this critical occasion; and begs they will accept of his best thanks. Lieutenant Robertson to do duty as major of brigade, in the room of M. B. Forbes, till further orders. _Head Quarters, Camp at Sourier, before Fort Bourbon, Friday, March 21, 1794._ Parole, FORT. C. S. ROYAL. Field Officer, Major Baillie. During the present truce no relaxation of duty, vigilance, or preparation for a continuance of the siege, to take place; on the contrary, every exertion to be used for opening again with more vigour than ever, should the present conference break of, by not agreeing on terms; which may be the case.