On Friday last was sent in here by his Majesty's Ship Experiment, Sir James Wallace, Esq; Commander, the Rebel Sloop Montgomery,1 Felix Potter, Master, from Hispaniola for Boston: She was taken the 7th Instant, in Lat. 39, Lon. 72, and is loaded with Coffee, Molasses, &c. &c. This Sloop was formerly a Privateer out of Providence, in Rhode-Island Government.2