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THE Scarborough Shoal, explored in April, 1806, by Don Francisco Riquelmé, captain and brigadier in the Spanish navy, then in command of the Lucia frigate, and three gun-boats, sent on that service by Admiral Don Ignacio de Alava, while stationed at Manilla. SITUATION. ° ʹ " North point of the shoal ........ 15—12—40 South, ditto .................. 15—4—0 East, } To westward of Meridian } 3—6—40 West, } of Manilla. } 3—16—15 distance from the nearest land of Luconia, which, is Point Capones 129 miles.