Sandwich Islands.—Our files from the Sandwich Islnids are to the 21st of April. Five English war vesels, ..
... for foreign service to prepare for immediate embarkation—viz., the 15th loot, recently returned from Ceylon; the 51st King's Light Infantry, ditto from India; 80th Foot, ditto; and Foot, ditto; detachments from the various depot companies, and 1200 cavalry ...