3 of the double island which forms the French colony of Guadeloupe - All Guadeloupe has an area of [illegible] square miles, of which [illegible] lie in the higher section known as Basse Terre and [illegible] in the lower portion called Grande Terre. Basse Terre is -- volcanic in origin and has mountains rising nearly 5000 feet above sea level, while Grande terme is wholly sedimentary superficial in character and is low in relief. None of its undulating surface being more than 200 (150?) feet in elevation. Between the two portions of Guadeloupe there is a belt of mangrove swamp varying from one mile to three