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
Wedge Island (South Australia) Wedge Island (South Australia) Wedge Island is an island in the Australian state of South Australia located within the island group known as the Gambier Islands near the entrance to Spencer Gulf. It is the largest of the Gambier Islands, covers an area of about and is partly privately owned. There is a lighthouse at the south-eastern end, and highest point, of the island. There is an airstrip on the island as well as a jetty. The island is not permanently inhabited, but has buildings used for holiday accommodation and as a base for local and offshore recreational fishing. It