GUAM, the largest of the Ladrones islands in the South Sea, being about 100 miles in circumference. The inhabitants are almost all natives, but the Spaniards have a garrison which keeps them in awe. The island abounds with excellent fruits, and the air is wholesome; notwithstanding which, the people are subject to the leprosy. E. Long. 139. 25. N. Lat. 13. 25.