Lewis and Harris MacLeod, and those on Lewis being referred to as from the clan MacLeod of Lewis. Lewis is also the ancestral home of Clan Morrison. The Lewis chessmen is a famous collection of 12th-century chess pieces, carved from walrus ivory and mostly in the form of human figures, which were discovered in Uig in 1831. A major industry on the island is the production of Harris tweed fabric, which is handmade on the island; by law only fabric produced in the Outer Hebrides can be called Harris tweed. The Lewis Trilogy of novels ("The Blackhouse", "The Lewis Man" and "The Chessmen")
South Lewis, Harris and North Uist National Scenic Area of Lochmaddy (an anglicisation of the Scottish Gaelic "Loch nam Madadh") is a ferry terminal, and a harbour for the creel fishing and is used for salmon farms. There are four Special Protection Areas (SPA) and five Special Areas of Conservation (SAC), within or overlapping with the NSA. The areas protected by these two Natura 2000 designations overlap, with four sites sharing both designations (although the precise borders differ to some extent). South Lewis, Harris and North Uist National Scenic Area South Lewis, Harris and North Uist is a large national scenic area (NSA) in the Western Isles of Scotland.