Geography of Africa in the lake of organisms of a decidedly marine type. They include jellyfish, molluscs, prawns, crabs, etc. With the exception of Madagascar, the African islands are small. Madagascar, with an area of , is, after Greenland, New Guinea and Borneo, the fourth largest island on the Earth. It lies in the Indian Ocean, off the S.E. coast of the continent, from which it is separated by the deep Mozambique channel, wide at its narrowest point. Madagascar in its general structure, as in flora and fauna, forms a connecting link between Africa and southern Asia. East of Madagascar are the small
Bird Island Light of Butler Point lies Bird Island, a point of land that mostly serves as a bird nesting site. The Bird Island lighthouse stands near the island's center. It is a circular masonry structure about , with its light at above sea level. The tower is topped by a cast iron lantern house, with an outside railing and conical roof with ventilator. The tower was built when the light was first established in 1819, and was accompanied by an attached stone keeper's dwelling. Three months after it was first lit, with William Moore as the keeper, it was badly damaged by