Gilbert and Ellice Islands until 1977. A protectorate was generally established over this area (but not over these islands) by the Pacific Islanders Protection Act of 1857 and then in 1877 for the Western Pacific Territories. The sixteen islands of the Gilberts were declared a British Protectorate by Captain Davis R.N., of between 27 May and 17 June 1892. The Ellice Islands were declared a British Protectorate by Captain Gibson R.N., of , between 9 and 16 October of the same year. The British Western Pacific Territories (BWPT) were administered by a High Commissioner resident in Fiji. A Resident Commissioner, Charles Swayne, was appointed
Endemism in the Hawaiian Islands was critical to the formulation of his theory of evolution is far exceeded in the more isolated Hawaiian Islands. The relatively short time that the existing main islands of the archipelago have been above the surface of the ocean (less than 10 million years) is only a fraction of time span over which biological colonization and evolution have occurred in the archipelago. High, volcanic islands have existed in the Pacific far longer, extending in a chain to the northwest; these once mountainous islands are now reduced to submerged banks and coral atolls. Midway Atoll, for example, formed as a volcanic