Traditionally, a row of striplight-type lights along the apron of the stage. http://www.strandarchive.co.uk/lanterns/sunraydis.html Called "floats" in the UK, one surmises from a time when they were simply a wick floating on oil. Less commonly, individual fixtures, often masked or shaded with a shell motif. A reproduction for a period play. http://www.history.org/Foundation/journal/Holiday07/players_slideshow/ See also this post, from this thread: http://www.controlbooth.com/forums/lighting/6473-footlights.html A special derivation, "Cyc Footlights," sits on the deck just DS of the cyc or sometimes in a 2' deep cyc trough and is akin to a "electrics ground row".