Papers from the session Non-Flint Raw Material Use in Prehistory: Old prejudices and new directions (Vol. 11, Session C77) presented at the XV UISPP World Congress (Lisbon, 4-9 September 2006). Contents: 1) The Scar Identification of Lithic Quartz Industries (Arturo de Lombera Hermida); 2) Reflections on Prismatic Blades - The Terminology of Blades and Classification of Lithic Artefacts in Central Sweden (Per Falkenstrom); 3) Approche comportementale du Magdalenien dapres letude techno-fonctionnelle de loutillage lithique hors silex. La grotte de Bourrouilla (Arancou, Pyrenees-Atlantiques,...